@EveOfTheFuture Is using #STK a requirement? I'd just use the excellent #skyfield.

@tsvenson @willmcgugan I don't know about *favorite* but a *crucial* package I use is #sgp4. It's a standard algorithm ported to python.

Brando Rhodes (who also wrote the amazing #skyfield) maintains it now. He also vectorized it for an amazing speedup. AND he updated it for the end of the 60s era "Two Line Element set" format being phased out and "Orbit Mean-element Message" being phased in.

Sounds minor, but it is central to using #python for #space, which is, like, my bag, baby.