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Ephemerides with constant step on time Ephemerides and (O-C) for a file of dates and positions Show image
Natural Satellites Ephemeride Server. MULTI-SAT.
Ephemerides and (O-C) for a file of dates and positions

Galilean and inner satellites of Jupiter
Choose galilean satellite theory version:
by V.Lainey V2.0|V1.1   by V.Lainey V1.1   by J.-E. Arlot G-5   by D.Lieske E-5  
  • Choose Satellite    of Jupiter
  •          Relative to
  • Choose planet theory version:
  • Enter Observatory code (XXX)   (500 for geocenter)    See the list
  • Choose Epoch of equator and equinox   ( Description )
  • Choose Time Scale:  UTC   TT
  • For your observations
    choose format of the moment
  •        and format of the data
                    ( Explications )
    Choose operation :
    or     		Enter your results to calculate O-C
    Enter a set of dates to generate ephemerides
  • In each line enter your observations (one observations/date per line)                  
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