The US government freely publishes the orbital elements of tracked objects. Nicely organized site containing most of the info: https://celestrak.com/ https://c

The US government freely publishes the orbital elements of tracked objects. Nicely organized site containing most of the info: https://celestrak.com/ https://celestrak.com/ Actual US government origin site: https://www.space-track.org/ https://www.space-track.org/