2.4.0 spase://CNES/Instrument/CDPP-Archive/GIOTTO/Ephemeris GIOTTO position and velocity 2019-05-05T12:34:56Z GIOTTO position and velocity in the following coordinate systems : Geocentric Solar Ecliptic Earth Mean Equator 2000 centered on comet HALLEY Comet Solar Oriented centered on comet HALLEY Comet Solar Oriented centered on comet GRIGG-SKJELLERUP Earth Mean Equator 2000 centered on comet GRIGG-SKJELLERU spase://CNES/Person/CDPP-Archive/Christian.Mazelle PrincipalInvestigator spase://CNES/Person/CDPP-Archive/Nicolas.Dufourg GeneralContact Platform GIOTTO position and velocity spase://CNES/Observatory/CDPP-Archive/GIOTTO