Cassini/Jupiter Ephemeris Generator 2.8

2021-06-20: Release 2.8 with updated ephemerides.

Click here for help, or click on individual highlighted items.
Current ephemeris selection is JUP365 + DE440.
Works for times surrounding the Cassini flyby of Jupiter on December 30, 2000.

Start time:
Stop time:
Interval: seconds minutes hours days

Year, Month, Day, Hour, Minute (UTC)
Year, Month, Day, Hour, Minute, Second (UTC)
Year, DOY, Hour, Minute (UTC)
Year, DOY, Hour, Minute, Second (UTC)
Modified Julian Date (UTC)
Spacecraft-Jupiter distance (km)
Jupiter phase angle (deg)
Ring opening angle to Spacecraft (deg)
Ring opening angle to the Sun (deg)
Sub-spacecraft inertial longitude (deg, J2000)
Sub-solar inertial longitude (deg, J2000)
Sub-spacecraft planetocentric latitude & rotating longitude (deg)
Sub-solar planetocentriclatitude & rotating longitude (deg)
Sun-Jupiter distance (km)
Jupiter RA (hours) & Dec (deg)
Earth RA (hours) & Dec (deg)
Sun RA (hours) & Dec (deg)

Moon Columns:

Spacecraft-Satellite distance (km)
Satellite phase angle (deg)
Sub-spacecraft planetocentric latitude & rotating longitude (deg)
Sub-solar planetocentric latitude & rotating longitude (deg)
RA (hours) & Dec (deg)
Offset RA & Dec from Jupiter (deg)
Orbit opening from Observer (deg)


Io (J1) Europa (J2) Ganymede (J3) Callisto (J4) Amalthea (J5) Thebe (J14) Adrastea (J15) Metis (J16)