Astronomy:Distant Retrograde Orbit
From HandWiki
Distant Retrograde Orbit is a highly stable lunar orbit. It was a proposed orbit for the canceled Jupiter Icy Moons Orbiter.[1]
References
- ↑ http://ccar.colorado.edu/asen5050/projects/projects_2013/Johnson_Kirstyn/finalorbit.html Distant Retrograde Orbits.