2.3.1 spase://CNES/NumericalData/CDPP-AMDA/Cassini/Ephemeris/cass-ephem-polar polar special Cassini ephemeris 2017-10-12T11:24:00 Some special Cassini ephemeris calculated by Joseph Groene tool (University of Iowa). * Western Longitude (IAU_Saturn) based on the Voyager determination of the period of Saturn kilometric radiation (SKR). * L-shell (assuming dipolar magnetic field) * Local Time spase://CNES/Person/Joseph.Groene DataProducer Joseph Groene tool http://www-pw.physics.uiowa.edu/~jbg/cas.html cass-orb-spec PartOf orbit saturn : special spase://SMWG/Repository/CNES/CDPP-AMDA Online Open AMDA amda.cdpp.eu NetCDF University of Iowa spase://CNES/Instrument/CDPP-AMDA/Cassini/Ephemeris Ephemeris 2003-01-01T00:00:00Z 2017-09-15T00:00:00Z PT300S wl iau_saturn cass_wl degrees TimeSeries Other L-shell cass_l Cassini L-shell (assuming dipolar magnetic field) pos.distance;phys.magField TimeSeries Other local time cass_lt Cassini Local Time pos.bodyrc.long;instr.obsty hours TimeSeries Other