2.4.0 spase://CNES/NumericalData/CDPP-Archive/GEOS-2/Ephemeris/GEOS2_POS_VTL2 GEOS-2 Geographic Position and Auxiliary Data Level-2 (CDF) https://doi.org/10.24400/802406/2teb-w2af 2022-07-26T09:56:14Z This dataset contains GEOS-2 ephemeris: Low Speed Format,right ascension and declination of the spin axis in S/C system Cartesian coordinates of the spin axis SpinX, SpinY, SpinZ in VDH Cartesian coordinates of the sun direction from Earth center in VDH Angle (Earth-Spacecraft,Earth-Sun direction). All angles in degrees Latitude Longitude and Distance given in GEO (Geocentric equatorial coord) system Orbital Parameters - Apogee : 38456.4 km - Perigee : 2696.5 km - Period : 12 h 14 mn - Inclination: 27.67 deg - Eccentricity: 0.66 Users of these data are encouraged to acknowledge ESA/ESTEC (European Space Agency / European Space Research and Technology Center), DSRI (Danish Space Research Institute), CNES (Centre National d'Etudes Spatiales) for their support to the SCM GEOS team, NASA/GSFC (National Aeronautics and Space Administration / Goddard Space Flight Center) and CNR (Consiglio Nazionale delle Ricerche) for their support to the MAG GEOS team, and the CDPP (Centre des Données de la Physique des Plasmas) for the distribution of the GEOS data, in all publications. If PI/coI are not part of the publication list, then we suggest to add Specifically, we acknowledge Roger Gendrin and Patrick Robert for use of SCM data from the GEOS mission. spase://CNES/Person/CDPP-Archive/Patrick.Robert DataProducer spase://CNES/Person/CDPP-Archive/CDPP.general.contact GeneralContact spase://CNES/Repository/CDPP-Archive/REGARDS-CDPP Online REGARDS https://regards.cnes.fr/user/cdpp/modules/1777?sp=DatasetName;q=DatasetName:GEOS2_POS_VTL2 Access via CNES Data Archive for CDPP CDF Calibrated 2 spase://CNES/Instrument/CDPP-Archive/GEOS-2/Ephemeris Ephemeris 1978-07-26T00:00:00Z 1983-01-31T00:00:00Z Earth.NearSurface.Plasmasphere Earth.Magnetosphere Sample rate Sample rate Hz Other Low Speed Format The corresponding duration is 1.37601 s Other Right ascension and declination Right ascension and declination of the spin axis in S/C system ° 0.0174532925>rad Orientation Spin axis orientation in VDH Cartesian coordinates of the spin axis: SpinX, SpinY, SpinZ in VHD Orientation Sun direction Cartesian coordinates of the sun direction from Earth center in VHD Orientation Angle Earth spacecraft direction and Earth Sun direction ° 0.0174532925>rad Other Position Position data: Latitude, Longitude and Distance given in GEO (Geocentric equatorial coord) system Spherical GEO Positional