USA flag An official website of the United States government  v

HDPWS

Data Access

ACE GSE 12-min Position Data

(2022). ACE GSE 12-min Position Data. [Data set]. Space Physics Data Facility. https://doi.org/10.48322/by5e-zs07. Accessed on .

Note: Proper references, including or other formats, should include the "Accessed on date" to identify the version of the resource being cited in a given publication.

ResourceID
spase://NASA/NumericalData/ACE/Ephemeris/PT12M

Description
ACE satellite positions.

Metadata Rights
CC0-1.0: Creative Commons Zero v1.0 Universal
Note
CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions. The actual data/software may be subject to a different license.

View XML | Edit

Details

Version:2.7.1

NumericalData

ResourceID
spase://NASA/NumericalData/ACE/Ephemeris/PT12M
NamingAuthority
NASA
ResourceType
NumericalData
ResourceHeader
ResourceName
ACE GSE 12-min Position Data
DOI
https://doi.org/10.48322/by5e-zs07
ReleaseDate
2026-06-26 13:14:15Z
RevisionHistory
RevisionEvent
ReleaseDate
2021-04-27 15:38:11Z
Note
Only known prior ReleaseDate of the metadata
RevisionEvent
ReleaseDate
2022-08-19 12:34:56.789Z
Note
Added DOI and PublicationInfo minted by JMW on 20220808, updated the RepositoryID, updated the SPDF MetadataContact Person to Robert M. Candey, metadata updated to SPASE 2.4.1, reviewed by LFB 20220819
RevisionEvent
ReleaseDate
2025-05-01 12:34:56.789Z
Note
Added ObservedRegion. JMW
RevisionEvent
ReleaseDate
2025-09-30 14:27:17Z
Note
Updated PublishedBy name to match ROR Registry. Added ResourceType and NamingAuthority. Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. Matched version number in schemaLocation attribute to updated value in Version tag. ZCB
RevisionEvent
ReleaseDate
2025-12-04 13:28:23Z
Note
Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB
RevisionEvent
ReleaseDate
2026-06-26 13:14:15Z
Note
Add 'Z' to RevisionEvent:ReleaseDate(s), PublicationDate. ZCB
Description
ACE satellite positions.
PublicationInfo
Authors
ACE flight operations team (FOT), and R. Candey
PublicationDate
2022-01-01 00:00:00Z
PublishedBy
Space Physics Data Facility
Contacts
Role Person StartDate StopDate Note
1. MetadataContact spase://SMWG/Person/Jan.Merka
2. GeneralContact spase://SMWG/Person/Robert.M.Candey
3. MetadataContact spase://SMWG/Person/James.M.Weygand
4. MetadataContact spase://SMWG/Person/Lee.Frost.Bargatze

PriorIDs
spase://VHO/NumericalData/ACE/Ephemeris/PT12M
spase://VSPO/NumericalData/ACE/Ephemeris/PT12M
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb
Availability
Online
AccessRights
Open
RightsList
Rights
SchemeURI
https://spdx.org/licenses/
RightsIdentifierScheme
SPDX
RightsIdentifier
CC0-1.0
RightsURI
https://spdx.org/licenses/CC0-1.0.html
RightsName
Creative Commons Zero v1.0 Universal
Note
CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products
AccessURL
Name
FTPS from SPDF (not with most browsers)
URL
ftps://spdf.gsfc.nasa.gov/pub/data/ace/orbit/level_2_cdaweb/or_ssc/
AccessURL
Name
HTTPS from SPDF
URL
https://spdf.gsfc.nasa.gov/pub/data/ace/orbit/level_2_cdaweb/or_ssc/
Description
In CDF via HTTP from CDAWeb
AccessURL
Name
CDAWeb
URL
https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=AC_OR_SSC&index=sp_phys
ProductKey
AC_OR_SSC
AccessURL
Name
SSCWeb
URL
https://sscweb.gsfc.nasa.gov/cgi-bin/Locator.cgi
ProductKey
ace
Format
CDF
AccessDirectoryTemplate
https://cdaweb.gsfc.nasa.gov/pub/data/ace/orbit/level_2_cdaweb/or_ssc
AccessFilenameTemplate
ac_or_ssc_$Y$m$d_$v.cdf
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb Programmatic Data Access
URL
https://cdaweb.gsfc.nasa.gov/WS/cdasr/1/dataviews/sp_phys/datasets/AC_OR_SSC/clientLibraryExample/
Style
WebService
ProductKey
AC_OR_SSC
Description
Access to this data from common programming environments. Note: this AccessInformation element was added by HDPWS.
Format
Binary
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF
Availability
Online
AccessRights
Open
AccessURL
Name
SSCWeb Programmatic Data Access
URL
https://sscweb.gsfc.nasa.gov/WS/sscr/2/observatories/AC_OR_SSC/clientLibraryExample/
Style
WebService
ProductKey
AC_OR_SSC
Description
Access to this data from common programming environments. Note: this AccessInformation element was added by HDPWS.
Format
Binary
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF
Availability
Online
AccessRights
Open
AccessURL
Name
4D Orbit Viewer
URL
https://sscweb.gsfc.nasa.gov/4dorbit/?sc=AC_OR_SSC
ProductKey
AC_OR_SSC
Description
4D viewer for this data. Note: this AccessInformation element was added by HDPWS.
Format
HTML
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb
Availability
Online
AccessRights
Open
RightsList
Rights
SchemeURI
https://spdx.org/licenses/
RightsIdentifierScheme
SPDX
RightsIdentifier
CC0-1.0
RightsURI
https://spdx.org/licenses/CC0-1.0.html
RightsName
Creative Commons Zero v1.0 Universal
Note
CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products
AccessURL
Name
CDAWeb HAPI Server
URL
https://cdaweb.gsfc.nasa.gov/hapi
Style
HAPI
ProductKey
AC_OR_SSC
Description
Web Service to this product using the HAPI interface.
Format
CSV
InstrumentIDs
spase://SMWG/Instrument/ACE/Ephemeris
MeasurementType
Ephemeris
TemporalDescription
TimeSpan
StartDate
1997-08-26 00:00:00Z
RelativeStopDate
-P7D
Cadence
PT12M
ObservedRegion
Heliosphere
ObservedRegion
Heliosphere.Inner
ObservedRegion
Heliosphere.NearEarth
Parameter #1
Name
Epoch Time
ParameterKey
Epoch
Description
Number of milliseconds since the CDF epoch
Units
ms
UnitsConversion
1e-3>s
ValidMin
01-Jan-1956 00:00:00.000
ValidMax
01-Jan-2083 00:00:00.000
FillValue
-1.0E31
Support
SupportQuantity
Temporal
Parameter #2
Name
GSE latitude
ParameterKey
GSE_LAT
Description
Latitude of the spacecraft position in GSE
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GSE
ValidMin
-90.0
ValidMax
90.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.ElevationAngle
SupportQuantity
Positional
Parameter #3
Name
GSE longitude
ParameterKey
GSE_LON
Description
Longitude of the spacecraft position in GSE
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GSE
ValidMin
-180.0
ValidMax
180.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #4
Name
GSE radial distance
ParameterKey
RADIUS
Description
Radial distance of the spacecraft in GSE
Units
km
UnitsConversion
1e3>m
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GSE
ValidMin
0.0
ValidMax
1594535.0
FillValue
-1.0E31
Support
Qualifier
Magnitude
SupportQuantity
Positional
Parameter #5
Name
GSE position
ParameterKey
XYZ_GSE
Description
Spacecraft position in GSE
Units
km
UnitsConversion
1e3>m
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GSE
Structure
Size
3
Element
Name
x
Qualifier
Component.I
Index
1
ValidMin
-1594535.0
ValidMax
1594535.0
FillValue
-1.0E31
Element
Name
y
Qualifier
Component.J
Index
2
ValidMin
-1594535.0
ValidMax
1594535.0
FillValue
-1.0E31
Element
Name
z
Qualifier
Component.K
Index
3
ValidMin
-1594535.0
ValidMax
1594535.0
FillValue
-1.0E31
Support
SupportQuantity
Positional
NASA Insignia
Contact SPDF: NASA-SPDF Feedback/Support
Responsible NASA Official: Lan Jian
Site Editor: Rita Johnson
SPDF ROR ID
SPDF re3data ID
About NASA
Accessibility
FOIA
No FEAR Act
Privacy Policy
Vulnerability Disclosure Policy
Last Updated: 2026-06-26