2.2.6 spase://CDPP/Instrument/AMDA/Cluster-Rumba/Ephemeris Ephemeris Cluster-Rumba Ephemeris 2011-02-04T15:37:46Z Cluster-Rumba spacecraft positions in various coordinate systems spase://SMWG/Person/M.Tatrallyay DataProducer spase://SMWG/Instrument/Cluster2-Rumba/Ephemeris Platform Spacecraft position spase://CDPP/Observatory/AMDA/Cluster-Rumba