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There's at least 72 according to [1], which does not include upper stages from unmanned missions. You could likely query all of them that have been found from H

There's at least 72 according to [1], which does not include upper stages from unmanned missions. You could likely query all of them that have been found from Horizons, but I don't know how to do so off the top of my head. [1]: https://en.wikipedia.org/wiki/List_of_artificial_objects_in_heliocentric_orbit https://en.wikipedia.org/wiki/List_of_artificial_objects_in_...

tumnus 2y ago
72 out of around 128 million is about %0.005 which indeed does not seem like a lot.
- lazide 2y ago
  Just enough to make it an irritating and bug prone edge case, you can never quite ignore, but never actually gets handled right for long. Sounds about right.