2.3.1 spase://CNES/Instrument/CDPP-AMDA/Cassini/Ephemeris Ephemeris: Cassini Cassini Orbit 2017-05-20T21:10:13Z 'Regular' Cassini Ephemeris are calculated in IRAP by using Cassini SPICE kernels. Special Cassini Ephemeris are calculated by Joseph Groene tool (University of Iowa). spase://CNES/Person/NAIF PrincipalInvestigator spase://SMWG/William.S.Kurth PrincipalInvestigator Joseph Groene Page http://www-pw.physics.uiowa.edu/~jbg/cas.html Platform spase://CNES/Observatory/CDPP-AMDA/Cassini