2.4.1 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). Please acknowledge the National Aeronautics and Space Administration, NASA spase://CNES/Person/CDPP-AMDA/NAIF PrincipalInvestigator spase://SMWG/Person/William.S.Kurth PrincipalInvestigator Joseph Groene Page http://www-pw.physics.uiowa.edu/~jbg/cas.html Platform Cassini Spacecraft Ephemeris spase://CNES/Observatory/CDPP-AMDA/Cassini