2.3.1 spase://CNES/Instrument/CDPP-AMDA/Cluster1/Ephemeris Ephemeris Cluster1 Ephemeris 2017-02-04T15:37:46Z Cluster 1 spacecraft positions in various coordinate systems spase://CNES/Person/Elena.Budnik TechnicalContact spase://SMWG/Instrument/Cluster2-Rumba/Ephemeris Platform Spacecraft position spase://CNES/Observatory/CDPP-AMDA/Cluster1