2.7.1 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/FAST/Ephemeris/PT1M NASA NumericalData FAST Spacecraft Positions https://doi.org/10.48322/mc2s-8f97 2026-07-21T12:04:56Z 2018-05-04T21:31:00Z Only known prior ReleaseDate of the metadata 2025-05-07T00:49:00Z Added ObservedRegion. JMW. 2025-12-04T13:29:12Z Added MetadataRightsList and RightsList(s). Added ResourceType and NamingAuthority. Updated to 2.7.1. Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. ZCB 2026-04-10T09:58:45Z Added new Contact(s). ZCB 2026-04-10T10:03:43Z Added PublicationInfo. ZCB 2026-04-30T16:34:04Z Added DOI. tlk 2026-07-21T12:04:56Z Added HelioData InformationURL. JWL FAST Positions Carlson, Charles W. 2026-04-10T10:03:43Z Space Physics Data Facility spase://SMWG/Person/Charles.W.Carlson PrincipalInvestigator spase://SMWG/Person/Jan.Merka MetadataContact HelioData https://helio.data.nasa.gov/dataset/FAST_Ephemeris_PT1M The HelioData dataset page provides an overview of the dataset with access links, associated variables, and more. spase://VMO/NumericalData/FAST/Ephemeris/PT1M spase://VSPO/NumericalData/FAST/Ephemeris/PT1M 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 SSCWeb https://sscweb.gsfc.nasa.gov/cgi-bin/Locator.cgi fast Text spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SSCWeb Programmatic Data Access https://sscweb.gsfc.nasa.gov/WS/sscr/2/observatories/fast/clientLibraryExample/ fast Access to this data from common programming environments. Note: this AccessInformation element was added by HDPWS. Binary spase://SMWG/Repository/NASA/GSFC/SPDF Online Open 4D Orbit Viewer https://sscweb.gsfc.nasa.gov/4dorbit/?sc=fast fast 4D viewer for this data. Note: this AccessInformation element was added by HDPWS. HTML spase://SMWG/Instrument/FAST/Ephemeris Ephemeris 1996-01-26T00:00:00Z 2011-12-31T00:00:00Z PT1M Earth.Magnetosphere Earth.NearSurface.Plasmasphere Earth.NearSurface.AuroralRegion Earth.NearSurface.PolarCap Year Field 1 Year Temporal Doy Field 2 Day of Year Deg Temporal Time Field 3 Hour and Minutes (HH:MM) Temporal GSE X Field 4 GSE X Component Re Cartesian GSE Positional GSE Y Component Field 5 GSE Y Component Re Cartesian GSE Positional GSE Z Component Field 6 GSE Z Component Re Cartesian GSE Positional