2.7.1 Deprecated https://spdx.org/licenses/ SPDX CC0-1.0 https://spdx.org/licenses/CC0-1.0.html Creative Commons Zero v1.0 Universal CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions spase://NASA/NumericalData/ParkerSolarProbe/HelioWeb/Ephemeris/P1D NASA NumericalData Parker Solar Probe Ephemeris, Heliocentric Trajectories, Heliographic, Heliographic Inertial, and Solar Ecliptic Coordinates, HelioWeb, Daily Data https://doi.org/10.48322/41s1-hx58 2026-07-21T12:06:20Z 2021-05-31T12:34:56.789Z Updated to SPASE Version 2.3.2 if needed, Applied quality control for DOI usage, LFB 2025-08-05T13:12:21Z Added ObservedRegion(s). 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 value in Version tag. ZCB 2025-10-03T10:41:19Z Updated PublishedBy name to match ROR Registry. Added ResourceType and NamingAuthority. ZCB 2025-12-04T13:30:32Z Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB 2026-02-02T13:24:38Z Fixed outdated Parameter units. Condensed existing description. Added 'Deprecated' Status. Added 'SupersededBy' Association. ZCB 2026-06-26T13:25:51Z Add 'Z' to RevisionEvent:ReleaseDate(s), PublicationDate, TemporalDescription:TimeSpan:StartDate, TemporalDescription:TimeSpan:StopDate. ZCB 2026-07-21T12:06:20Z Added HelioData InformationURL. JWL ParkerSolarProbe Heliocentric orbit in Heliographic Inertial, Heliographic rotating, and Solar Ecliptic coordinates at a daily cadence. For coordinate definitions see https://omniweb.gsfc.nasa.gov/coho/helios/coor_des.html. Please acknowledge N.E. Papitashvili for use of the Data Papitashvili, Natalia E. 2020-01-01T00:00:00Z Space Physics Data Facility spase://SMWG/Person/Natalia.E.Papitashvili GeneralContact spase://SMWG/Person/Robert.M.Candey MetadataContact spase://SMWG/Person/Lee.Frost.Bargatze MetadataContact Heliocentric Trajectories HelioWeb Data Service, NASA GSFC https://omniweb.gsfc.nasa.gov/coho/helios/heli.html Heliocentric trajectories for selected spacecraft, planets, and comets, HelioWeb data service, hosted by NASA GSFC Heliocentric Trajectories HelioWeb Data Service Usage Instructions, NASA GSFC https://omniweb.gsfc.nasa.gov/coho/helios/about_helioweb.html Instructions for using the Heliocentric Trajectories HelioWeb data service, hosted by NASA GSFC Heliocentric Trajectories HelioWeb Data Service Usage via CURL or WGET Commands, NASA GSFC https://omniweb.gsfc.nasa.gov/coho/helios/helioweb_command_line_sample.txt Instructions for using the Heliocentric Trajectories HelioWeb data service via CURL or WGET commands, hosted by NASA GSFC HG, HGI, and SE Coordinate System Definitions, NASA GSFC https://omniweb.gsfc.nasa.gov/coho/helios/coor_des.html Definitions for the Heliographic, HG, Heliographic Inertial, HGI, and Solar Ecliptic, SE, Coordinate Systems, hosted by NASA GSFC Satellite Situation Center (SSCWeb) System and Services, NASA GSFC https://sscweb.gsfc.nasa.gov Satellite Situation Center (SSCWeb) web page offering a variety of services that provide access to orbit trajectory graphics and listings, hosted by NASA GSFC HORIZONS Web Interface, NASA JPL https://ssd.jpl.nasa.gov/horizons.cgi HORIZONS Web Interface, a web page that provides limited access to the JPL HORIZONS system which can be used to generate ephemerides for solar system bodies HelioData https://helio.data.nasa.gov/dataset/ParkerSolarProbe_HelioWeb_Ephemeris_P1D The HelioData dataset page provides an overview of the dataset with access links, associated variables, and more. spase://NASA/NumericalData/ParkerSolarProbe/HelioWeb/Ephemeris/PT1H SupersededBy The current resource description has been replaced by the SPASE record listed above. spase://VSPO/NumericalData/ParkerSolarProbe/HelioWeb/Ephemeris/P1D spase://SMWG/Repository/NASA/GSFC/SPDF Online Open https://spdx.org/licenses/ SPDX CC0-1.0 https://spdx.org/licenses/CC0-1.0.html Creative Commons Zero v1.0 Universal CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products FTPS from SPDF (not with most browsers) ftps://spdf.gsfc.nasa.gov/pub/data/psp/ephemeris/helio1day/ Access to Data in CDF Format via ftp from SPDF HTTPS from SPDF https://spdf.gsfc.nasa.gov/pub/data/psp/ephemeris/helio1day/ Access to Data in CDF Format via http from SPDF CDAWeb https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=PSP_HELIO1DAY_POSITION&index=sp_phys PSP_HELIO1DAY_POSITION Access to ASCII, CDF, and Plots via NASA/GSFC CDAWeb CDF None Please acknowledge N.E. Papitashvili. Please acknowledge the Data Providers and CDAWeb when using these Data. spase://SMWG/Repository/NASA/GSFC/SPDF Online Open CDAWeb Programmatic Data Access https://cdaweb.gsfc.nasa.gov/WS/cdasr/1/dataviews/sp_phys/datasets/PSP_HELIO1DAY_POSITION/clientLibraryExample/ PSP_HELIO1DAY_POSITION Access to this data from common programming environments. Note: this AccessInformation element was added by HDPWS. Binary Please acknowledge N.E. Papitashvili. Please acknowledge the Data Providers and CDAWeb when using these Data. spase://SMWG/Repository/NASA/GSFC/SPDF Online Open https://spdx.org/licenses/ SPDX CC0-1.0 https://spdx.org/licenses/CC0-1.0.html Creative Commons Zero v1.0 Universal CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products CDAWeb HAPI Server https://cdaweb.gsfc.nasa.gov/hapi PSP_HELIO1DAY_POSITION Web Service to this product using the HAPI interface. CSV Please acknowledge N.E. Papitashvili. Please acknowledge the Data Providers and CDAWeb when using these Data. Calibrated spase://SMWG/Instrument/ParkerSolarProbe/Ephemeris Ephemeris 2018-08-13T00:00:00.000Z 2025-08-30T00:00:00.000Z P1D Sun.Corona Heliosphere.NearEarth Heliosphere.Inner Heliosphere Epoch Time Epoch Epoch Time, beginning of interval This Parameter exhibits an increasing Monotonic Progression P1D ms 1.0e-3>s Epoch E14.8 6.2987652219904e+13 6.3745034619904e+13 LinearScale 01-Jan-1996 00:00:00.000 01-Jan-2020 00:00:00.000 31-Dec-9999 23:59:59.999 Temporal Parker Solar Probe Position, Heliocentric Radial Distance Time Series defined by using: EPOCH RAD_AU Parker Solar Probe Position, Heliocentric Radial Distance P1D AU 1.495978706961e11>m TimeSeries RAD_AU F8.2 0.0 1000.0 -1.0e+31 Temporal Parker Solar Probe Position, Latitude, Solar Ecliptic Coordinates Time Series defined by using: EPOCH SE_LAT Parker Solar Probe Position, Latitude, Solar Ecliptic, SE, Spherical Coordinates P1D ° 0.0174532925>rad Spherical SE TimeSeries SE_LAT F8.1 -90.0 90.0 -1.0e+31 DirectionAngle.ElevationAngle Scalar Positional Parker Solar Probe Position, Longitude, Solar Ecliptic Coordinates Time Series defined by using: EPOCH SE_LON Parker Solar Probe Position, Longitude, Solar Ecliptic, SE, Spherical Coordinates P1D ° 0.0174532925>rad Spherical SE TimeSeries SE_LON F8.1 0.0 360.0 -1.0e+31 DirectionAngle.AzimuthAngle Scalar Positional Parker Solar Probe Position, Latitude, Heliographic Coordinates Time Series defined by using: EPOCH HG_LAT Parker Solar Probe Position, Latitude, Heliographic, HG, Spherical Coordinates P1D ° 0.0174532925>rad Spherical HG TimeSeries HG_LAT F8.1 -90.0 90.0 -1.0e+31 DirectionAngle.ElevationAngle Scalar Positional Parker Solar Probe Position, Longitude, Heliographic Coordinates Time Series defined by using: EPOCH HG_LON Parker Solar Probe Position, Longitude, Heliographic, HG, Spherical Coordinates P1D ° 0.0174532925>rad Spherical HG TimeSeries HG_LON F8.1 0.0 360.0 -1.0e+31 DirectionAngle.AzimuthAngle Scalar Positional Parker Solar Probe Position, Latitude, Heliographic Inertial Coordinates Time Series defined by using: EPOCH HGI_LAT Parker Solar Probe Position, Latitude, Heliographic Inertial, HGI, Spherical Coordinates P1D ° 0.0174532925>rad Spherical HGI TimeSeries HGI_LAT F8.1 -90.0 90.0 -1.0e+31 DirectionAngle.ElevationAngle Scalar Positional Parker Solar Probe Position, Longitude, Heliographic Inertial Coordinates Time Series defined by using: EPOCH HGI_LON Parker Solar Probe Position, Longitude, Heliographic Inertial, HGI, Spherical Coordinates P1D ° 0.0174532925>rad Spherical HGI TimeSeries HGI_LON F8.1 0.0 360.0 -1.0e+31 DirectionAngle.AzimuthAngle Scalar Positional