<html xmlns="http://www.w3.org/1999/xhtml" xmlns:xs="http://www.w3.org/2001/XMLSchema">
    <head>
        <meta name="orgcode" content="673"/>
        <meta name="rno" content="Lan.K.Jian.1"/>
        <meta name="content-owner" content="Lan.K.Jian.1"/>
        <meta name="webmaster" content="Rita.C.Johnson.1"/>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
        <meta http-equiv="Cache-Control" content="max-age=86400"/>
        <title>SPASE Resource Description</title>
        <script type="application/ld+json">{
      "@context": "https://schema.org/",
      "@type" : "Dataset",
      "name": "Double Star 2 Spacecraft Auxiliary Summary Parameters Data",
        "alternateName": "TC 2 Auxiliary Summary Parameters Data",
      "dateModified": "2019-05-05",
      
    "identifier": "spase://ESA/NumericalData/DoubleStar2/Ephemeris/SummaryParameters/PT60S",
        
    "creditText": "European Space Agency/International",
    "description": "The Double Star 2 auxiliary summary parameter data set contains various parameters in GSE coordinates at 60 s resolution. These parameters include universal time, orbit number, GSE position, GSE spacecraft velocity vector, longitude, and dipole tilt. These parameters are available through Double Star Science Data Centre The Data Ring with restricted access.",
    "abstract": "The Double Star 2 auxiliary summary parameter data set contains various parameters in GSE coordinates at 60 s resolution. These parameters include universal time, orbit number, GSE position, GSE spacecraft velocity vector, longitude, and dipole tilt. These parameters are available through Double Star Science Data Centre The Data Ring with restricted access.",
    
        "spatialCoverage": [
      {
          "@type": "Place",
          "alternateName": "Earth.Magnetosphere"
      },
      {
          "@type": "Place",
          "alternateName": "Earth.Magnetosphere.Main"
      },
      {
          "@type": "Place",
          "alternateName": "Earth.Magnetosphere.Polar"
      },
      {
          "@type": "Place",
          "alternateName": "Earth.Magnetosphere.RadiationBelt"
      },
      {
          "@type": "Place",
          "alternateName": "Earth.NearSurface.AuroralRegion"
      },
      {
          "@type": "Place",
          "alternateName": "Earth.NearSurface.Ionosphere"
      },
      {
          "@type": "Place",
          "alternateName": "Earth.NearSurface.Plasmasphere"
      },
      {
          "@type": "Place",
          "alternateName": "Earth.NearSurface.PolarCap"
      }],
    
    "temporalCoverage": "2004-07-27T00:00:30/2008-06-30T23:59:30",

    "genre": "Ephemeris",
    "keywords": [  "Double Star", "Tan Ce 2", "TC 2", "Ephemeris", "60 second", "auroral region", "cusp", "lobe", "magnetosphere", "magnetotail", "polar cap" ],
    "license":  "https://spdx.org/licenses/CC-BY-NC-3.0-IGO",

    "audience":{
        "@type": "Audience",
        "audienceType": ["Space Physicist", "Space Community", "Data Scientists", "Machine Learning Users"]
    },
    "distribution": [
        { 
        "@type": "DataDownload",
        "encodingFormat": [
            "application/x-cdf"
        ],
        "contentUrl": "https://www.cosmos.esa.int/web/double-star/dsds"
    },
     { 
        "@type": "DataDownload",
        "encodingFormat": [
            "application/x-cdf"
        ],
        "contentUrl": "https://www.cosmos.esa.int/web/csa"
    },
     { 
        "@type": "DataDownload",
        "encodingFormat": [
            "application/x-cdf"
        ],
        "contentUrl": "http://dione.iwf.oeaw.ac.at/ddms/"
    },
     { 
        "@type": "DataDownload",
        "encodingFormat": [
            "text/plain"
        ],
        "contentUrl": "https://sscweb.gsfc.nasa.gov/cgi-bin/Locator.cgi"
    },
     { 
        "@type": "DataDownload",
        "encodingFormat": [
            "application/octet-stream"
        ],
        "contentUrl": "https://sscweb.gsfc.nasa.gov/WS/sscr/2/observatories/doublestar2/clientLibraryExample/"
    },
     { 
        "@type": "DataDownload",
        "encodingFormat": [
            "HTML"
        ],
        "contentUrl": "https://sscweb.gsfc.nasa.gov/4dorbit/?sc=doublestar2"
    }
    ],
    
    "variableMeasured": [
    {
          "@type": "PropertyValue",
          "name": "Double Star 2 Universal Time Auxiliary Summary Parameter",
          "description": "Universal Time in data cell: day, month, year hour, min, seconds. Ex: '01-Jan-1981 00:00:00.000'. The time is an interval centered time tag rounded to nearest msecond.",
          "unitText": "ms" 
        },
       {
          "@type": "PropertyValue",
          "name": "Double Star 2 Half Interval Auxiliary Summary Parameter",
          "description": "Double Star 2 half the mean separation between time tags, averaged over the file.",
          "unitText": "ms" 
        },
       {
          "@type": "PropertyValue",
          "name": "Double Star 2 Status Auxiliary Summary Parameter",
          "description": "Double Star 2 status at 60 s resolution.",
          "minValue": "0",
          "maxValue": "255" 
        },
       {
          "@type": "PropertyValue",
          "name": "Double Star 2 Orbit Number Auxiliary Summary Parameter",
          "description": "Double Star 2 orbit number at 60 s resolution.",
          "minValue": "0",
          "maxValue": "1500" 
        },
       {
          "@type": "PropertyValue",
          "name": "Double Star 2 Spacecraft GSE Position Auxiliary Summary Parameter",
          "description": "Double Star 2 spacecraft position at 60 s resolution in GSE Coordinates in units of km.",
          "unitText": "km" ,
          "minValue": "-50000",
          "maxValue": "50000" 
        },
       {
          "@type": "PropertyValue",
          "name": "Double Star 2 Spacecraft Velocity Vector in GSE Auxiliary Summary Parameter",
          "description": "Double Star 2 spacecraft velocity vector at 60 s resolution in GSE Coordinates in units of km/s.",
          "unitText": "km/s" ,
          "minValue": "-10",
          "maxValue": "10" 
        },
       {
          "@type": "PropertyValue",
          "name": "Double Star 2 Spacecraft GSE Latitude of Double Star 2 Axis Auxiliary Summary Parameter",
          "description": "Double Star 2 spacecraft GSE latitude of Double Star 2 axis at 60 s resolution in units of degrees.",
          "minValue": "-90",
          "maxValue": "90" 
        },
       {
          "@type": "PropertyValue",
          "name": "Double Star 2 Spacecraft GSE Longitude of Double Star 2 Axis Auxiliary Summary Parameter",
          "description": "Double Star 2 spacecraft GSE longitude of Double Star 2 axis at 60 s resolution in units of degrees.",
          "minValue": "0",
          "maxValue": "360" 
        },
       {
          "@type": "PropertyValue",
          "name": "Double Star 2 Rotation Angle to Convert GSE to GSM Auxiliary Summary Parameter",
          "description": "Double Star 2 angle of rotation to convert GSE to GSM at 60 s resolution in units of degrees.",
          "minValue": "-90",
          "maxValue": "90" 
        },
       {
          "@type": "PropertyValue",
          "name": "Double Star 2 Dipole Tilt in GSM Z-X Plane Auxiliary Summary Parameter",
          "description": "Double Star 2 dipole tilt in GSM Z-X plane at 60 s resolution in units of degrees.",
          "minValue": "-90",
          "maxValue": "90" 
        }
    ]
    
  
    }
    </script>
        <style>

* {
   margin: 0;
   padding: 0;
   border: 0;
   outline: 0;
   font-size: 100%;
   vertical-align: baseline;
   background: transparent;
}

body {
	background-color: #f0f0f0; // #eaf5e9; #277bc0; #d3d3f9;
	color: black;
	font-family: Verdana, Arial, sans-serif; 
	font-size:12px; 
	line-height: 1.2;
}
 
h1,h2,h3,h4,h5,h6 {
	margin-top: 10px;
	margin-bottom: 10px;
	font-weight:bold;
}

h1 {
	font-size: 140%;
}

h2 {
	font-size: 120%;
}

h3 {
	font-size: 110%;
	font-style: oblique;
}

p {
	margin-bottom: 0.75ex;
}

a:link,
a:visited {
   color: #277bc0;/* #339;*/
   font-weight:bolder; 
   text-decoration:none; 
}

a:hover {
   color: blue;
   font-weight:bolder; 
   text-decoration:underline; 
}

ul {
	list-style: square inside ;
	margin-bottom: 0.75ex;
}

table {
   border: thin solid #666;
	margin-top: 5px;
	margin-bottom: 10px;
}

table.nested {
	margin-left: 2em;
}

thead,tbody {
   border: thin solid #666;
}

td, th {
   margin: 0;
	padding: 2px 2px 2px 2px;
}

th {
	font-style: oblique;
}

h1.detail {
}

.header {
	width:100%;
	padding: 1em 10px 1em 10px;
	color: #fff;
	background: #5e87b0;
	font-weight: bold;
	text-shadow: 0 /*{b-bar-shadow-x}*/ 1px /*{b-bar-shadow-y}*/ 1px /*{b-bar-shadow-radius}*/ #3e6790 /*{b-bar-shadow-color}*/;
	text-align: center;
	font-size: 16px;
	display: block;
	text-overflow: ellipsis;
	overflow: hidden;
	white-space: nowrap;
	outline: 0 !important;
}

.usa-banner {
    padding-left: 10px;
    overflow: hidden;
}

.official-websites {
    float: left;
    width: 50%;
}

.secure-websites {
    float: left;
    width: 50%;
}

.image-left {
    float: left;
    margin-right: 10px;
}

.footer {
    width: 100%;
    padding: 1em 10px 1em 10px;
    /*
    color: #fff;
    */
    color: Black;
    background: #5e87b0;
    font-weight: bold;
    font-size: 16px;
    display: table;
}
div.footer-item {
    float: left;
    padding-left: 1em;
    padding-right: 1em;
}
/* this does not work
a.footer-item:link {
    all: revert;
}
a.footer-item:visited {
    all: revert;
}
a.footer-item:hover {
    all: revert;
}
*/
.inset {
	margin-left: 22%;
}

.page {
	padding: 10px 3% 10px 3%;
}

div.indent {
    margin-left: 2em;
}

div.term {
	margin-top: 5px;
	padding-left: 5px;
	border-top: 1px solid #DDD;
	font-weight: bold;
}

div.definition {
	margin-left: 5ex;
}

div.value {
	margin-left: 5ex;
}

div.product {
	background-color: white;
	border: thin solid #333;
	padding: 10px 15px 10px 15px;
	margin-top: 10px;
}

div.parameter {
	margin-top: 10px;
	padding: 5px 10px 10px 10px;
	border: thin dotted #333;
	background-color: #ebebeb;
}

#toc {
   border: thin solid #333;
   background-color: #F5F5F5; 
   padding: 10px 15px 10px 15px;
   margin-left: 5%;
   margin-right: 5%;
   margin-bottom: 30px;
}

#toc ol, ul, li {
	padding-left: 5ex;
}

#toc ol {
	list-style-type: decimal;
	list-style-position: inside; 
}

#toc ul {
	list-style-type: square;
	list-style-position: inside; 
}

p.version {
  float: right;
  width: 100%;
  margin-top: 5px;
  text-align: right;
  font-size: x-small;
}

p.right {
  float: right;
  text-align: right;
}

.box-title {
	font-size: 120%;
	font-weight:bold;
	text-align: center;
	border-bottom: 1px solid #DDD;
}

ul.list {
	list-style-position: outside;
	padding-left: 1.5em;
}

li.list {
	text-align: left;
	padding-left: 0px;
}

.no-break {
	white-space: nowrap;
}

p.author {
	font-size: 120%;
}

div.brand {
	width: 100%;
	text-align: right;
}

div.abstract {
	display: table;
	position: relative;
	width: 100%;
}

div.citation {
}

div.access {
	float: left;
	width: 20%;
	background-color: white;
	border: thin solid #333;
	padding: 5px 5px 5px 5px;
	margin-right: 1em;
}

a.xml-logo:link,
a.xml-logo:visited {
   background: #ff6600;
   color: #ffffff;
   font-weight:bolder; 
   text-decoration:none; 
   padding-left:2px;
   padding-right:2px;
}
a.xml-logo:hover {
   text-decoration:underline; 
}
button {
  background-color: #5e87b0;
  border: none;  /* 2px solid black;  */
  border-radius: 8px;
  color: white;
  padding: 3px 5px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
}
button.usa-banner-button {
    background-color: initial;
    border: initial;
    border-radius: initial;
    color: initial;
    padding: initial;
    text-align: initial;
    text-decoration: underline;
    display: initial;
}
	  </style>
        <script>
	    async function getResponseText(response) {
	        document.body.style.cursor = 'default';
	        return await response.text();
	    }
	    function getVersionedBibTeX(bibtex) {
	        /* Add version field as suggested by August (Gus) Muench, Journals Data Editor,
	        American Astronomical Society (email dated 7/7/25) */
	        const accessVersion = ", version={Accessed on " + currentIsoDateStr + "}";
	        const modifiedBibtex = bibtex.substring(0, bibtex.lastIndexOf("}")) + accessVersion + "}";
	        return modifiedBibtex;
	    }
	    function getBlob(text) {
	        return new Blob([text], { type: "text/plain"});
	    }
	    function clipboardAlert(text) {
	        alert(text + "\nCopied to clipboard");
	    }
	    function clipCitation(doi) {
	        document.body.style.cursor = 'wait';
            let url = "https://citation.doi.org/format?doi=" + doi.replace("https://doi.org/", "") +
                String.fromCodePoint(38) + "style=bibtex" + String.fromCodePoint(38) + "lang=en-US";
            const text = new ClipboardItem({
                    "text/plain": fetch(url)
                    .then(getResponseText)
                    .then(getVersionedBibTeX)
                    .then(getBlob)
            });
            navigator.clipboard.write([text]);
            
            text.getType("text/plain")
                .then(getResponseText)
                .then(clipboardAlert);
        }
        function toggle_usa_banner_details() {
            const details = document.getElementById("usa-banner-details");
            const indicator = document.getElementById("usa-banner-indicator");
            if (details.style.display === "none") {
                details.style.display = "block";
                indicator.textContent = "^";
            }
            else {
                details.style.display = "none";
                indicator.textContent = "v";
            }
        }
	    const monthName=new Array("January","February","March","April","May","June","July","August","September","October","November","December");
	    let currentDate = new Date();
	    let currentIsoDateStr = currentDate.toISOString().substring(0, 10);
	    let currentDateStr = currentDate.getFullYear() + '-' + monthName[currentDate.getMonth()] + '-' + currentDate.getDate();
	  </script>
    </head>
    <body>
        <div>
            <a id="top"/>
        </div>
        <div class="usa-banner">
            <p>
                <img class="usa-banner__header-flag" height="10px" width="20px" src="/logos/us_flag_small.png" alt="USA flag"/> An official website of the United States government
                <button class="usa-banner-button" onclick="toggle_usa_banner_details()">Here's how you know</button> <span id="usa-banner-indicator">v</span>
            </p>
            <div id="usa-banner-details" style="display: none">
                <div class="official-websites">
                    <div>
                        <img class="image-left" src="/logos/icon-dot-gov.svg" alt="dot gov icon"/>
                        <p>
                            <b>Official websites use .gov</b>
                        </p>
                        <p>A <b>.gov</b> websites belongs to an official government organization in the United States</p>
                    </div>
                </div>
                <div class="secure-websites">
                    <img class="image-left" src="/logos/icon-https.svg" alt="HTTPS icon"/>
                    <p>
                        <b>Secure .gov website use HTTPS</b>
                    </p>
                    <p>A <b>lock</b> (<img src="/logos/usa-banner-lock.svg" alt="lock icon"/>) or <b>https://</b> means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.</p>
                </div>
            </div>
        </div>
        <div class="header">
            <div class="middle">HDPWS</div>
        </div>
        <div class="page">
            <div class="spase">
                <div class="abstract">
                    <div class="access">
                        <p class="box-title">
                    Data Access
                </p>
                        <ul class="list">
                            <li class="list">
                                <a target="_blank" href="https://www.cosmos.esa.int/web/double-star/dsds">Double Star Science Data Centre, The Data Ring</a>
                            </li>
                            <li class="list">
                                <a target="_blank" href="https://www.cosmos.esa.int/web/csa">The Cluster and Double Star Science Archive</a>
                            </li>
                            <li class="list">
                                <a target="_blank" href="http://dione.iwf.oeaw.ac.at/ddms/">The Austrian Double Star Parameters Data Center Home Page</a>
                            </li>
                            <li class="list">
                                <a target="_blank" href="https://sscweb.gsfc.nasa.gov/cgi-bin/Locator.cgi">SSCWeb</a>
                            </li>
                            <li class="list">
                                <a target="_blank" href="https://sscweb.gsfc.nasa.gov/WS/sscr/2/observatories/doublestar2/clientLibraryExample/">WebService:
                          SSCWeb Programmatic Data Access</a>
                            </li>
                            <li class="list">
                                <a target="_blank" href="https://sscweb.gsfc.nasa.gov/4dorbit/?sc=doublestar2">4D Orbit Viewer</a>
                            </li>
                        </ul>
                    </div>
                    <div class="citation inset">
                        <h1>
                            <a name="spase://ESA/NumericalData/DoubleStar2/Ephemeris/SummaryParameters/PT60S">Double Star 2 Spacecraft Auxiliary Summary Parameters Data</a>
                        </h1>
                        <p>
                            <div class="term">ResourceID</div>
                            <div class="definition">spase://ESA/NumericalData/DoubleStar2/Ephemeris/SummaryParameters/PT60S</div>
                        </p>
                        <p>
                            <div class="term">Description</div>
                            <div class="definition">The Double Star 2 auxiliary summary parameter data set contains various parameters in GSE coordinates at 60 s resolution. These parameters include universal time, orbit number, GSE position, GSE spacecraft velocity vector, longitude, and dipole tilt. These parameters are available through Double Star Science Data Centre The Data Ring with restricted access.</div>
                        </p>
                        <p/>
                    </div>
                </div>
                <div>
                    <p class="right">
                        <a target="_blank" href="/WS/hdp/1/Spase?ResourceID=spase://ESA/NumericalData/DoubleStar2/Ephemeris/SummaryParameters/PT60S&amp;Format=spase_xml" download="PT60S.xml">View XML</a> |
              <a target="_blank" href="https://spase-editor.heliocloud.org/?edit=https://heliophysicsdata.gsfc.nasa.gov/WS/hdp/1/Spase?ResourceID=spase://ESA/NumericalData/DoubleStar2/Ephemeris/SummaryParameters/PT60S&amp;Format=spase_xml">Edit</a>
                    </p>
                    <h1 class="detail">Details</h1>
                </div>
                <div>
                    <div class="product">
                        <p class="version">Version:2.3.0</p>
                        <h1>NumericalData</h1>
                        <div class="term">ResourceID</div>
                        <div class="definition">spase://ESA/NumericalData/DoubleStar2/Ephemeris/SummaryParameters/PT60S</div>
                        <div class="term">ResourceHeader</div>
                        <div class="definition">
                            <div class="term">ResourceName</div>
                            <div class="definition">Double Star 2 Spacecraft Auxiliary Summary Parameters Data</div>
                            <div class="term">AlternateName</div>
                            <div class="definition">TC 2 Auxiliary Summary Parameters Data</div>
                            <div class="term">ReleaseDate</div>
                            <div class="definition">2019-05-05 12:34:56Z</div>
                            <div class="term">Description</div>
                            <div class="definition">The Double Star 2 auxiliary summary parameter data set contains various parameters in GSE coordinates at 60 s resolution. These parameters include universal time, orbit number, GSE position, GSE spacecraft velocity vector, longitude, and dipole tilt. These parameters are available through Double Star Science Data Centre The Data Ring with restricted access.</div>
                            <div class="term">Acknowledgement</div>
                            <div class="definition">European Space Agency/International</div>
                            <div class="term">Contacts</div>
                            <div class="definition">
                                <table class="nested" cellspacing="0">
                                    <tr>
                                        <th/>
                                        <th class="center">Role</th>
                                        <th class="center">Person</th>
                                        <th class="center">StartDate</th>
                                        <th class="center">StopDate</th>
                                        <th class="center">Note</th>
                                    </tr>
                                    <tbody>
                                        <tr>
                                            <td>1.</td>
                                            <td>MetadataContact</td>
                                            <td>
                                                <a target="_blank" href="https://spase-metadata.org/SMWG/Person/James.M.Weygand.html">spase://SMWG/Person/James.M.Weygand</a>
                                            </td>
                                            <td/>
                                            <td/>
                                            <td/>
                                        </tr>
                                    </tbody>
                                </table>
                            </div>
                            <div class="term">InformationURL</div>
                            <div class="definition">
                                <div class="term">Name</div>
                                <div class="definition">Double Star 2 Orbital Parameters</div>
                                <div class="term">URL</div>
                                <div class="definition">
                                    <a target="_blank" href="https://nssdc.gsfc.nasa.gov/nmc/spacecraft/displayTrajectory.action?id=2004-029A">https://nssdc.gsfc.nasa.gov/nmc/spacecraft/displayTrajectory.action?id=2004-029A</a>
                                </div>
                                <div class="term">Description</div>
                                <div class="definition">Introduction to the Double Star 2 Orbit.</div>
                            </div>
                            <div class="term">Association</div>
                            <div class="definition">
                                <div class="term">AssociationID</div>
                                <div class="definition">
                                    <a href="https://spase-metadata.org/SMWG/Observatory/DoubleStar2.html">spase://SMWG/Observatory/DoubleStar2</a>
                                </div>
                                <div class="term">AssociationType</div>
                                <div class="definition">PartOf</div>
                            </div>
                            <div class="term">PriorIDs</div>
                            <div class="definition">spase://VMO/NumericalData/DoubleStar2/Ephemeris/SummaryParameters/60S</div>
                            <div class="definition">spase://VSPO/NumericalData/DoubleStar2/Ephemeris/SummaryParameters/60S</div>
                            <div class="definition">spase://VSPO/NumericalData/DoubleStar2/Ephemeris/SummaryParameters/PT60S</div>
                        </div>
                        <div class="term">AccessInformation</div>
                        <div class="definition">
                            <div class="term">RepositoryID</div>
                            <div class="definition">
                                <a href="https://spase-metadata.org/SMWG/Repository/ESA/Double.Star.Data.Ring.html">spase://SMWG/Repository/ESA/Double.Star.Data.Ring</a>
                            </div>
                            <div class="term">Availability</div>
                            <div class="definition">Online</div>
                            <div class="term">AccessRights</div>
                            <div class="definition">Restricted</div>
                            <div class="term">AccessURL</div>
                            <div class="definition">
                                <div class="term">Name</div>
                                <div class="definition">Double Star Science Data Centre, The Data Ring</div>
                                <div class="term">URL</div>
                                <div class="definition">
                                    <a target="_blank" href="https://www.cosmos.esa.int/web/double-star/dsds">https://www.cosmos.esa.int/web/double-star/dsds</a>
                                </div>
                                <div class="term">Description</div>
                                <div class="definition">Double Star Data Center Hub web page. This page provides access to other sites with the prime parameter and summary parameter data from the Double Star mission.</div>
                                <div class="term">Language</div>
                                <div class="definition">English</div>
                            </div>
                            <div class="term">AccessURL</div>
                            <div class="definition">
                                <div class="term">Name</div>
                                <div class="definition">The Cluster and Double Star Science Archive</div>
                                <div class="term">URL</div>
                                <div class="definition">
                                    <a target="_blank" href="https://www.cosmos.esa.int/web/csa">https://www.cosmos.esa.int/web/csa</a>
                                </div>
                                <div class="term">Description</div>
                                <div class="definition">Access to the archive through its Java user interface and command-line website .</div>
                                <div class="term">Language</div>
                                <div class="definition">English</div>
                            </div>
                            <div class="term">Format</div>
                            <div class="definition">CDF</div>
                            <div class="term">Acknowledgement</div>
                            <div class="definition">European Space Agency/International</div>
                        </div>
                        <div class="term">AccessInformation</div>
                        <div class="definition">
                            <div class="term">RepositoryID</div>
                            <div class="definition">
                                <a href="https://spase-metadata.org/SMWG/Repository/ESA/Austrian.DSP.Data.Center.html">spase://SMWG/Repository/ESA/Austrian.DSP.Data.Center</a>
                            </div>
                            <div class="term">Availability</div>
                            <div class="definition">Online</div>
                            <div class="term">AccessRights</div>
                            <div class="definition">Restricted</div>
                            <div class="term">AccessURL</div>
                            <div class="definition">
                                <div class="term">Name</div>
                                <div class="definition">The Austrian Double Star Parameters Data Center Home Page</div>
                                <div class="term">URL</div>
                                <div class="definition">
                                    <a target="_blank" href="http://dione.iwf.oeaw.ac.at/ddms/">http://dione.iwf.oeaw.ac.at/ddms/</a>
                                </div>
                                <div class="term">Description</div>
                                <div class="definition">An introduction to data access for the Double Star mission.</div>
                                <div class="term">Language</div>
                                <div class="definition">English</div>
                            </div>
                            <div class="term">Format</div>
                            <div class="definition">CDF</div>
                            <div class="term">Acknowledgement</div>
                            <div class="definition">ESA, Double Star, Center for Space Science and Applied Research, and the Chinese Academy of Sciences</div>
                        </div>
                        <div class="term">AccessInformation</div>
                        <div class="definition">
                            <div class="term">RepositoryID</div>
                            <div class="definition">
                                <a href="https://spase-metadata.org/SMWG/Repository/NASA/GSFC/SPDF.html">spase://SMWG/Repository/NASA/GSFC/SPDF</a>
                            </div>
                            <div class="term">Availability</div>
                            <div class="definition">Online</div>
                            <div class="term">AccessRights</div>
                            <div class="definition">Open</div>
                            <div class="term">AccessURL</div>
                            <div class="definition">
                                <div class="term">Name</div>
                                <div class="definition">SSCWeb</div>
                                <div class="term">URL</div>
                                <div class="definition">
                                    <a target="_blank" href="https://sscweb.gsfc.nasa.gov/cgi-bin/Locator.cgi">https://sscweb.gsfc.nasa.gov/cgi-bin/Locator.cgi</a>
                                </div>
                                <div class="term">ProductKey</div>
                                <div class="definition">doublestar2</div>
                            </div>
                            <div class="term">Format</div>
                            <div class="definition">Text</div>
                        </div>
                        <div class="term">AccessInformation</div>
                        <div class="definition">
                            <div class="term">RepositoryID</div>
                            <div class="definition">
                                <a href="https://spase-metadata.org/SMWG/Repository/NASA/GSFC/SPDF.html">spase://SMWG/Repository/NASA/GSFC/SPDF</a>
                            </div>
                            <div class="term">Availability</div>
                            <div class="definition">Online</div>
                            <div class="term">AccessRights</div>
                            <div class="definition">Open</div>
                            <div class="term">AccessURL</div>
                            <div class="definition">
                                <div class="term">Name</div>
                                <div class="definition">SSCWeb Programmatic Data Access</div>
                                <div class="term">URL</div>
                                <div class="definition">
                                    <a target="_blank" href="https://sscweb.gsfc.nasa.gov/WS/sscr/2/observatories/doublestar2/clientLibraryExample/">https://sscweb.gsfc.nasa.gov/WS/sscr/2/observatories/doublestar2/clientLibraryExample/</a>
                                </div>
                                <div class="term">Style</div>
                                <div class="definition">WebService</div>
                                <div class="term">ProductKey</div>
                                <div class="definition">doublestar2</div>
                                <div class="term">Description</div>
                                <div class="definition">Access to this data from common programming environments.  Note: this AccessInformation element was added by HDPWS.</div>
                            </div>
                            <div class="term">Format</div>
                            <div class="definition">Binary</div>
                        </div>
                        <div class="term">AccessInformation</div>
                        <div class="definition">
                            <div class="term">RepositoryID</div>
                            <div class="definition">
                                <a href="https://spase-metadata.org/SMWG/Repository/NASA/GSFC/SPDF.html">spase://SMWG/Repository/NASA/GSFC/SPDF</a>
                            </div>
                            <div class="term">Availability</div>
                            <div class="definition">Online</div>
                            <div class="term">AccessRights</div>
                            <div class="definition">Open</div>
                            <div class="term">AccessURL</div>
                            <div class="definition">
                                <div class="term">Name</div>
                                <div class="definition">4D Orbit Viewer</div>
                                <div class="term">URL</div>
                                <div class="definition">
                                    <a target="_blank" href="https://sscweb.gsfc.nasa.gov/4dorbit/?sc=doublestar2">https://sscweb.gsfc.nasa.gov/4dorbit/?sc=doublestar2</a>
                                </div>
                                <div class="term">ProductKey</div>
                                <div class="definition">doublestar2</div>
                                <div class="term">Description</div>
                                <div class="definition">4D viewer for this data.  Note: this AccessInformation element was added by HDPWS.</div>
                            </div>
                            <div class="term">Format</div>
                            <div class="definition">HTML</div>
                        </div>
                        <div class="term">ProcessingLevel</div>
                        <div class="definition">Calibrated</div>
                        <div class="term">ProviderResourceName</div>
                        <div class="definition">Double Star 2 Auxiliary Summary Parameters Data</div>
                        <div class="term">ProviderProcessingLevel</div>
                        <div class="definition">Calibrated</div>
                        <div class="term">ProviderVersion</div>
                        <div class="definition">1</div>
                        <div class="term">InstrumentIDs</div>
                        <div class="definition">
                            <a target="_blank" href="https://spase-metadata.org/SMWG/Instrument/DoubleStar2/Ephemeris.html">spase://SMWG/Instrument/DoubleStar2/Ephemeris</a>
                        </div>
                        <div class="term">MeasurementType</div>
                        <div class="definition">Ephemeris</div>
                        <div class="term">TemporalDescription</div>
                        <div class="definition">
                            <div class="term">TimeSpan</div>
                            <div class="definition">
                                <div class="term">StartDate</div>
                                <div class="definition">2004-07-27 00:00:30</div>
                                <div class="term">StopDate</div>
                                <div class="definition">2008-06-30 23:59:30</div>
                                <div class="term">Note</div>
                                <div class="definition">Time format in data files is: day, month, year hour, min, seconds. Ex: '01-Jan-1981 00:00:00.000'</div>
                            </div>
                            <div class="term">Cadence</div>
                            <div class="definition">PT60S</div>
                        </div>
                        <div class="term">ObservedRegion</div>
                        <div class="definition">Earth.Magnetosphere</div>
                        <div class="term">ObservedRegion</div>
                        <div class="definition">Earth.Magnetosphere.Main</div>
                        <div class="term">ObservedRegion</div>
                        <div class="definition">Earth.Magnetosphere.Polar</div>
                        <div class="term">ObservedRegion</div>
                        <div class="definition">Earth.Magnetosphere.RadiationBelt</div>
                        <div class="term">ObservedRegion</div>
                        <div class="definition">Earth.NearSurface.AuroralRegion</div>
                        <div class="term">ObservedRegion</div>
                        <div class="definition">Earth.NearSurface.Ionosphere</div>
                        <div class="term">ObservedRegion</div>
                        <div class="definition">Earth.NearSurface.Plasmasphere</div>
                        <div class="term">ObservedRegion</div>
                        <div class="definition">Earth.NearSurface.PolarCap</div>
                        <div class="term">Keywords</div>
                        <div class="definition">Double Star</div>
                        <div class="definition">Tan Ce 2</div>
                        <div class="definition">TC 2</div>
                        <div class="definition">Ephemeris</div>
                        <div class="definition">60 second</div>
                        <div class="definition">auroral region</div>
                        <div class="definition">cusp</div>
                        <div class="definition">lobe</div>
                        <div class="definition">magnetosphere</div>
                        <div class="definition">magnetotail</div>
                        <div class="definition">polar cap</div>
                        <div class="parameter">Parameter #1</div>
                        <div class="definition">
                            <div class="term">Name</div>
                            <div class="definition">Double Star 2 Universal Time Auxiliary Summary Parameter</div>
                            <div class="term">ParameterKey</div>
                            <div class="definition">Epoch__T2_SP_AUX</div>
                            <div class="term">Description</div>
                            <div class="definition">Universal Time in data cell: day, month, year hour, min, seconds. Ex: '01-Jan-1981 00:00:00.000'. The time is an interval centered time tag rounded to nearest msecond.</div>
                            <div class="term">Cadence</div>
                            <div class="definition">PT60S</div>
                            <div class="term">Units</div>
                            <div class="definition">ms</div>
                            <div class="term">UnitsConversion</div>
                            <div class="definition">1.0e-3&gt;s</div>
                            <div class="term">RenderingHints</div>
                            <div class="definition">
                                <div class="term">AxisLabel</div>
                                <div class="definition">Epoch</div>
                            </div>
                            <div class="term">FillValue</div>
                            <div class="definition">-1e+31</div>
                            <div class="term">Support</div>
                            <div class="definition">
                                <div class="term">SupportQuantity</div>
                                <div class="definition">Temporal</div>
                            </div>
                        </div>
                        <div class="parameter">Parameter #2</div>
                        <div class="definition">
                            <div class="term">Name</div>
                            <div class="definition">Double Star 2 Half Interval Auxiliary Summary Parameter</div>
                            <div class="term">ParameterKey</div>
                            <div class="definition">Half_interval__T2_SP_AUX</div>
                            <div class="term">Description</div>
                            <div class="definition">Double Star 2 half the mean separation between time tags, averaged over the file.</div>
                            <div class="term">Cadence</div>
                            <div class="definition">PT60S</div>
                            <div class="term">Units</div>
                            <div class="definition">ms</div>
                            <div class="term">UnitsConversion</div>
                            <div class="definition">1.0e-3&gt;s</div>
                            <div class="term">RenderingHints</div>
                            <div class="definition">
                                <div class="term">AxisLabel</div>
                                <div class="definition">Half sample time interval</div>
                            </div>
                            <div class="term">FillValue</div>
                            <div class="definition">-1e+31</div>
                            <div class="term">Support</div>
                            <div class="definition">
                                <div class="term">SupportQuantity</div>
                                <div class="definition">Other</div>
                            </div>
                        </div>
                        <div class="parameter">Parameter #3</div>
                        <div class="definition">
                            <div class="term">Name</div>
                            <div class="definition">Double Star 2 Status Auxiliary Summary Parameter</div>
                            <div class="term">ParameterKey</div>
                            <div class="definition">Status__T2_SP_AUX</div>
                            <div class="term">Description</div>
                            <div class="definition">Double Star 2 status at 60 s resolution.</div>
                            <div class="term">Cadence</div>
                            <div class="definition">PT60S</div>
                            <div class="term">ValidMin</div>
                            <div class="definition">0</div>
                            <div class="term">ValidMax</div>
                            <div class="definition">255</div>
                            <div class="term">FillValue</div>
                            <div class="definition">255</div>
                            <div class="term">Support</div>
                            <div class="definition">
                                <div class="term">SupportQuantity</div>
                                <div class="definition">Other</div>
                            </div>
                        </div>
                        <div class="parameter">Parameter #4</div>
                        <div class="definition">
                            <div class="term">Name</div>
                            <div class="definition">Double Star 2 Orbit Number Auxiliary Summary Parameter</div>
                            <div class="term">ParameterKey</div>
                            <div class="definition">sc_orbit_num__T2_SP_AUX</div>
                            <div class="term">Description</div>
                            <div class="definition">Double Star 2 orbit number at 60 s resolution.</div>
                            <div class="term">Cadence</div>
                            <div class="definition">PT60S</div>
                            <div class="term">RenderingHints</div>
                            <div class="definition">
                                <div class="term">AxisLabel</div>
                                <div class="definition">fract orbit</div>
                                <div class="term">ScaleMin</div>
                                <div class="definition">0</div>
                                <div class="term">ScaleMax</div>
                                <div class="definition">700</div>
                            </div>
                            <div class="term">ValidMin</div>
                            <div class="definition">0</div>
                            <div class="term">ValidMax</div>
                            <div class="definition">1500</div>
                            <div class="term">FillValue</div>
                            <div class="definition">-1e+31</div>
                            <div class="term">Support</div>
                            <div class="definition">
                                <div class="term">Qualifier</div>
                                <div class="definition">Scalar</div>
                                <div class="term">SupportQuantity</div>
                                <div class="definition">Other</div>
                            </div>
                        </div>
                        <div class="parameter">Parameter #5</div>
                        <div class="definition">
                            <div class="term">Name</div>
                            <div class="definition">Double Star 2 Spacecraft GSE Position Auxiliary Summary Parameter</div>
                            <div class="term">ParameterKey</div>
                            <div class="definition">sc_r_xyz_gse__T2_SP_AUX</div>
                            <div class="term">Description</div>
                            <div class="definition">Double Star 2 spacecraft position at 60 s resolution in GSE Coordinates in units of km.</div>
                            <div class="term">Cadence</div>
                            <div class="definition">PT60S</div>
                            <div class="term">Units</div>
                            <div class="definition">km</div>
                            <div class="term">UnitsConversion</div>
                            <div class="definition">1.0e3&gt;m</div>
                            <div class="term">CoordinateSystem</div>
                            <div class="definition">
                                <div class="term">CoordinateRepresentation</div>
                                <div class="definition">Cartesian</div>
                                <div class="term">CoordinateSystemName</div>
                                <div class="definition">GSE</div>
                            </div>
                            <div class="term">RenderingHints</div>
                            <div class="definition">
                                <div class="term">ScaleMin</div>
                                <div class="definition">-50000</div>
                                <div class="term">ScaleMax</div>
                                <div class="definition">50000</div>
                            </div>
                            <div class="term">Structure</div>
                            <div class="definition">
                                <div class="term">Size</div>
                                <div class="definition">3</div>
                                <div class="term">Element</div>
                                <div class="definition">
                                    <div class="term">Name</div>
                                    <div class="definition">X-GSE</div>
                                    <div class="term">Qualifier</div>
                                    <div class="definition">Component.I</div>
                                    <div class="term">Index</div>
                                    <div class="definition">1</div>
                                </div>
                                <div class="term">Element</div>
                                <div class="definition">
                                    <div class="term">Name</div>
                                    <div class="definition">Y-GSE</div>
                                    <div class="term">Qualifier</div>
                                    <div class="definition">Component.J</div>
                                    <div class="term">Index</div>
                                    <div class="definition">2</div>
                                </div>
                                <div class="term">Element</div>
                                <div class="definition">
                                    <div class="term">Name</div>
                                    <div class="definition">Z-GSE</div>
                                    <div class="term">Qualifier</div>
                                    <div class="definition">Component.K</div>
                                    <div class="term">Index</div>
                                    <div class="definition">3</div>
                                </div>
                            </div>
                            <div class="term">ValidMin</div>
                            <div class="definition">-50000</div>
                            <div class="term">ValidMax</div>
                            <div class="definition">50000</div>
                            <div class="term">FillValue</div>
                            <div class="definition">-1e+31</div>
                            <div class="term">Support</div>
                            <div class="definition">
                                <div class="term">Qualifier</div>
                                <div class="definition">Vector</div>
                                <div class="term">SupportQuantity</div>
                                <div class="definition">Positional</div>
                            </div>
                        </div>
                        <div class="parameter">Parameter #6</div>
                        <div class="definition">
                            <div class="term">Name</div>
                            <div class="definition">Double Star 2 Spacecraft Velocity Vector in GSE Auxiliary Summary Parameter</div>
                            <div class="term">ParameterKey</div>
                            <div class="definition">sc_v_xyz_gse__T2_SP_AUX</div>
                            <div class="term">Description</div>
                            <div class="definition">Double Star 2 spacecraft velocity vector at 60 s resolution in GSE Coordinates in units of km/s.</div>
                            <div class="term">Cadence</div>
                            <div class="definition">PT60S</div>
                            <div class="term">Units</div>
                            <div class="definition">km/s</div>
                            <div class="term">UnitsConversion</div>
                            <div class="definition">1.0e3&gt;m s^-1</div>
                            <div class="term">CoordinateSystem</div>
                            <div class="definition">
                                <div class="term">CoordinateRepresentation</div>
                                <div class="definition">Cartesian</div>
                                <div class="term">CoordinateSystemName</div>
                                <div class="definition">GSE</div>
                            </div>
                            <div class="term">RenderingHints</div>
                            <div class="definition">
                                <div class="term">ScaleMin</div>
                                <div class="definition">-10</div>
                                <div class="term">ScaleMax</div>
                                <div class="definition">10</div>
                            </div>
                            <div class="term">Structure</div>
                            <div class="definition">
                                <div class="term">Size</div>
                                <div class="definition">3</div>
                                <div class="term">Element</div>
                                <div class="definition">
                                    <div class="term">Name</div>
                                    <div class="definition">VX-GSE</div>
                                    <div class="term">Qualifier</div>
                                    <div class="definition">Component.I</div>
                                    <div class="term">Index</div>
                                    <div class="definition">1</div>
                                </div>
                                <div class="term">Element</div>
                                <div class="definition">
                                    <div class="term">Name</div>
                                    <div class="definition">VY-GSE</div>
                                    <div class="term">Qualifier</div>
                                    <div class="definition">Component.J</div>
                                    <div class="term">Index</div>
                                    <div class="definition">2</div>
                                </div>
                                <div class="term">Element</div>
                                <div class="definition">
                                    <div class="term">Name</div>
                                    <div class="definition">VZ-GSE</div>
                                    <div class="term">Qualifier</div>
                                    <div class="definition">Component.K</div>
                                    <div class="term">Index</div>
                                    <div class="definition">3</div>
                                </div>
                            </div>
                            <div class="term">ValidMin</div>
                            <div class="definition">-10</div>
                            <div class="term">ValidMax</div>
                            <div class="definition">10</div>
                            <div class="term">FillValue</div>
                            <div class="definition">-1e+31</div>
                            <div class="term">Support</div>
                            <div class="definition">
                                <div class="term">Qualifier</div>
                                <div class="definition">Vector</div>
                                <div class="term">SupportQuantity</div>
                                <div class="definition">Velocity</div>
                            </div>
                        </div>
                        <div class="parameter">Parameter #7</div>
                        <div class="definition">
                            <div class="term">Name</div>
                            <div class="definition">Double Star 2 Spacecraft GSE Latitude of Double Star 2 Axis Auxiliary Summary Parameter</div>
                            <div class="term">ParameterKey</div>
                            <div class="definition">sc_at_lat__T2_SP_AUX</div>
                            <div class="term">Description</div>
                            <div class="definition">Double Star 2 spacecraft GSE latitude of Double Star 2 axis at 60 s resolution in units of degrees.</div>
                            <div class="term">Cadence</div>
                            <div class="definition">PT60S</div>
                            <div class="term">RenderingHints</div>
                            <div class="definition">
                                <div class="term">AxisLabel</div>
                                <div class="definition">degrees</div>
                                <div class="term">ScaleMin</div>
                                <div class="definition">-90</div>
                                <div class="term">ScaleMax</div>
                                <div class="definition">90</div>
                            </div>
                            <div class="term">ValidMin</div>
                            <div class="definition">-90</div>
                            <div class="term">ValidMax</div>
                            <div class="definition">90</div>
                            <div class="term">FillValue</div>
                            <div class="definition">-1e+31</div>
                            <div class="term">Support</div>
                            <div class="definition">
                                <div class="term">Qualifier</div>
                                <div class="definition">Scalar</div>
                                <div class="term">SupportQuantity</div>
                                <div class="definition">Positional</div>
                            </div>
                        </div>
                        <div class="parameter">Parameter #8</div>
                        <div class="definition">
                            <div class="term">Name</div>
                            <div class="definition">Double Star 2 Spacecraft GSE Longitude of Double Star 2 Axis Auxiliary Summary Parameter</div>
                            <div class="term">ParameterKey</div>
                            <div class="definition">sc_at_long__T2_SP_AUX</div>
                            <div class="term">Description</div>
                            <div class="definition">Double Star 2 spacecraft GSE longitude of Double Star 2 axis at 60 s resolution in units of degrees.</div>
                            <div class="term">Cadence</div>
                            <div class="definition">PT60S</div>
                            <div class="term">RenderingHints</div>
                            <div class="definition">
                                <div class="term">AxisLabel</div>
                                <div class="definition">degrees</div>
                                <div class="term">ScaleMin</div>
                                <div class="definition">0</div>
                                <div class="term">ScaleMax</div>
                                <div class="definition">360</div>
                            </div>
                            <div class="term">ValidMin</div>
                            <div class="definition">0</div>
                            <div class="term">ValidMax</div>
                            <div class="definition">360</div>
                            <div class="term">FillValue</div>
                            <div class="definition">-1e+31</div>
                            <div class="term">Support</div>
                            <div class="definition">
                                <div class="term">Qualifier</div>
                                <div class="definition">Scalar</div>
                                <div class="term">SupportQuantity</div>
                                <div class="definition">Positional</div>
                            </div>
                        </div>
                        <div class="parameter">Parameter #9</div>
                        <div class="definition">
                            <div class="term">Name</div>
                            <div class="definition">Double Star 2 Rotation Angle to Convert GSE to GSM Auxiliary Summary Parameter</div>
                            <div class="term">ParameterKey</div>
                            <div class="definition">gse_gsm__T2_SP_AUX</div>
                            <div class="term">Description</div>
                            <div class="definition">Double Star 2 angle of rotation to convert GSE to GSM at 60 s resolution in units of degrees.</div>
                            <div class="term">Cadence</div>
                            <div class="definition">PT60S</div>
                            <div class="term">RenderingHints</div>
                            <div class="definition">
                                <div class="term">AxisLabel</div>
                                <div class="definition">degrees</div>
                                <div class="term">ScaleMin</div>
                                <div class="definition">-90</div>
                                <div class="term">ScaleMax</div>
                                <div class="definition">90</div>
                            </div>
                            <div class="term">ValidMin</div>
                            <div class="definition">-90</div>
                            <div class="term">ValidMax</div>
                            <div class="definition">90</div>
                            <div class="term">FillValue</div>
                            <div class="definition">-1e+31</div>
                            <div class="term">Support</div>
                            <div class="definition">
                                <div class="term">Qualifier</div>
                                <div class="definition">Scalar</div>
                                <div class="term">SupportQuantity</div>
                                <div class="definition">Other</div>
                            </div>
                        </div>
                        <div class="parameter">Parameter #10</div>
                        <div class="definition">
                            <div class="term">Name</div>
                            <div class="definition">Double Star 2 Dipole Tilt in GSM Z-X Plane Auxiliary Summary Parameter</div>
                            <div class="term">ParameterKey</div>
                            <div class="definition">dipole_tilt__T2_SP_AUX</div>
                            <div class="term">Description</div>
                            <div class="definition">Double Star 2 dipole tilt in GSM Z-X plane at 60 s resolution in units of degrees.</div>
                            <div class="term">Cadence</div>
                            <div class="definition">PT60S</div>
                            <div class="term">RenderingHints</div>
                            <div class="definition">
                                <div class="term">AxisLabel</div>
                                <div class="definition">degrees</div>
                                <div class="term">ScaleMin</div>
                                <div class="definition">-90</div>
                                <div class="term">ScaleMax</div>
                                <div class="definition">90</div>
                            </div>
                            <div class="term">ValidMin</div>
                            <div class="definition">-90</div>
                            <div class="term">ValidMax</div>
                            <div class="definition">90</div>
                            <div class="term">FillValue</div>
                            <div class="definition">-1e+31</div>
                            <div class="term">Support</div>
                            <div class="definition">
                                <div class="term">Qualifier</div>
                                <div class="definition">Scalar</div>
                                <div class="term">SupportQuantity</div>
                                <div class="definition">Other</div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <div class="footer">
            <div class="footer">
                <img class="image-left" src="/logos/nasa-logo.svg" alt="NASA Insignia"/>
                <div class="footer-item">Contact SPDF: <a style="all:revert" href="mailto:NASA-SPDF-Support@nasa.gov?subject=HDPWS SPASE">NASA-SPDF Feedback/Support</a>
                </div>
                <div class="footer-item">Responsible NASA Official: <a style="all: revert" href="mailto:Lan.Jian@nasa.gov">Lan Jian</a>
                </div>
                <div class="footer-item">Site Editor: <a style="all:revert" href="mailto:NASA-SPDF-Support@nasa.gov">Rita Johnson</a>
                </div>
                <div class="footer-item">
                    <a style="all:revert" href="https://ror.org/00ryjtt64">SPDF ROR ID</a>
                </div>
                <div class="footer-item">
                    <a style="all:revert" href="https://www.re3data.org/repository/r3d100010168">SPDF re3data ID</a>
                </div>
                <div class="footer-item">
                    <a style="all:revert" href="https://www.nasa.gov/about/">About NASA</a>
                </div>
                <div class="footer-item">
                    <a style="all:revert" href="https://www.nasa.gov/accessibility/">Accessibility</a>
                </div>
                <div class="footer-item">
                    <a style="all:revert" href="https://www.nasa.gov/foia/">FOIA</a>
                </div>
                <div class="footer-item">
                    <a style="all:revert" href="https://www.nasa.gov/no-fear-act/">No FEAR Act</a>
                </div>
                <div class="footer-item">
                    <a style="all:revert" href="https://www.nasa.gov/privacy/">Privacy Policy</a>
                </div>
                <div class="footer-item">
                    <a style="all:revert" href="https://www.nasa.gov/vulnerability-disclosure-policy/">Vulnerability Disclosure Policy</a>
                </div>
                <div class="footer-item">
                    <span>Last Updated: 2019-05-05</span>
                </div>
            </div>
        </div>
    </body>
</html>