On Sat, 25 Jun 2005 22:08:46 -0400, "Dawn & Gerald Flaherty" <grf2 at verizon.net> wrote: >Ok, 60 deg preceeding[L4], 60deg following[L5]. What's the significance of >60deg or 120 or 240?? Any math clue? struggling to follow, I've got to be an >L5, Jerry Look at http://www.physics.montana.edu/faculty/cornish/lagrange.html