[pavel_lishin]

> this comes from playing a self-made orbital mechanics game

My interest is piqued!

[Aachen]

Thanks, but don't expect too much! (In particular on mobile where you can't zoom by scroll wheel or use arrow keys to fly.) I mentioned it in an earlier comment, probably easiest to refer back to that for some context/hints: https://news.ycombinator.com/item?id=35763506

[pavel_lishin]

Thanks! I'll check this out later today.