Asri-unix.1352 net.space utzoo!decvax!cca!POURNE@MIT-MC@sri-unix Wed Apr 28 01:29:21 1982 orbital mechanics From: Jerry E. Pournelle The best text on the subject was by Max Hunter, called THRUST IN TO SPACE, which explained rockets and orbits and like that. Unfortunatley I believe it is out of print (my copy is a xerox Max gave me). The old "PRINCIPLES OF GUIDED MISSILE DESIGN" has a very good set of equations, principles, etc. It is in 3 volumnes and availble in libraries (there was a time when anyone wha was anyone in the space business had a set of these red books on his desk; in fact, getting the company to buy you those was a way to announce to your colleagues that you were "doing space" although you were of course being paid on an aircraft budget...