lunar poles, orbits, trajectories

--- In spacesettlers@yahoogroups.com, "Combs, Mike"
>

I would just add to Mike's points the existance of Mascons on the moon,

http://www.infoplease.com/ce6/sci/A0859765.html

and the terrible instability of Low Lunar Orbit. One cannot take the
concept of Low Earth Orbit and transfer it to the Moon. They are at
two different stability thresholds.

TangoMan