2.3.1 spase://CNES/Instrument/CDPP-AMDA/Pioneer10/Ephemeris Ephemeris Pioneer10 Ephemeris 2009-05-20T21:10:15Z Pioneer10 spacecraft positions spase://SMWG/Person/Jan.Merka MetadataContact Platform Spacecraft position spase://CDPP/Observatory/AMDA/Pioneer10