Here’s a game I made for LD27:
Ludum Dare page
Direct link to the game
Hints are on the LD page.
If you’re good at this, then boast about how much fuel you had left 8)
http://www.ludumdare.com/compo/wp-content/compo2/273708/27498-shot0.png
Really good game i love it but graphics and sound would be nice 
overall great
check out my game http://www.ludumdare.com/compo/ludum-dare-27/?action=preview&uid=25590
BTW how did you calculate the players and moons orbit ??
10 seconds of thrust? I thought this was going to be a sexual game… 