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Ephemerides with constant step on time Ephemerides and (O-C) for a file of dates and positions

MULTISAT. Ephemerides of planets and natural satellites.
Ephemerides with constant step on time

  • Choose the planetary ephemerides:
  • Enter Observatory code (XXX)   (500 for geocenter)    See the list
  • Choose Epoch of equator and equinox   ( Description )
  • Choose Time Scale:  UTC   TT
  • Choose format of initial moment
  •                            Enter the initial date
  • Choose the step unit   the step value  the number of steps
  • Choose type of output data      ( Explications )
    do not output if the altitude is less than
    or if the sun is above the horizon

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