Celestia Forums

Thanks, that's an interesting way of doing it and yes, I realise that there are other things that affect the true hill sphere radius but this was just for a quick and dirty demo about what the hill sphere is and why it matters.

I've been looking at the hill sphere radius calculations and I wondered if there was any way of displaying the hill sphere radius of a planet and/or moon in Celestia?

Is there a celx for this?

Thanks!!

That looks perfect as it's got the tangential speed - nice one and thank you!

Hello, I was just curious if there was a way to display the speed of a spacecraft in celestia with reference to the dominant gravity body, e.g. Earth for the ISS, the sun for Voyager, etc. I can't see anything obvious - if there is a celx directive for this then that will be fine as I'm enjoying pla...