Or there’s some type of propulsion we’ve been experimenting with for a while, but it requires nuclear material in the sky, and country X seems to have figured it out too, so could they please stop.
I'm patiently waiting for Barry-1 to push itself up into a higher orbit in that manner.
Here's the tracking page
https://celestrak.org/NORAD/elements/graph-orbit-data.php?CA...
You can use their data to watch for all sorts of things in orbit, like the International Space Station[1], weather satellites, etc.
[1] https://celestrak.org/NORAD/elements/graph-orbit-data.php?CA...