[Lonesome in Massachussets]

Another, even better, article on the same topic. You can take this guy’s astrodynamics to the bank:

http://www.skyandtelescope.com/news/home/126298103.html

BTW, you may have noticed that what I called the L3, L4 Lagrange points should have been L4 & L5. Thank you for your indulgence in not correcting me.

[SunkenCiv]

That would have been a first. :’)