Or perhaps some simple code or formula that achieves this. I've used pyephem but it requires a Satellite catalog number.

  • 2
    $\begingroup$ Does pyephem require that the satellite catalog numbers you give it in the TLE data belong to an existing satellite? $\endgroup$
    – notovny
    Apr 29, 2022 at 9:26
  • $\begingroup$ How do you acquire the TLE data? If you have a TLE on hand, it has the number right there on both lines. $\endgroup$
    – Ryan C
    Apr 29, 2022 at 22:09
  • $\begingroup$ Perhaps I should have elaborated a bit. I'm trying to calculate where an artificial satellite is in term of LAT/LON/ALT given just the orbital information contained in the TLE data. We'll just say that I'm dealing with a world where the satellites don't have catalog numbers. If there is a python package that does this that would be great. It actually doesn't have to be that accurate. My use-case tolerates an error of about +/- 2 degrees LAT/LON. If such a library does not exist a simple algorithm should suffice. $\endgroup$
    – Imp
    May 2, 2022 at 4:41


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