This is the current revision of this page, as edited by Eric Kvaalen(talk | contribs) at 15:16, 18 March 2016(Redirect to Apsis. (This is a term used in the classic paper on symmetric free-return trajectories around the moon.)). The present address (URL) is a permanent link to this version.Revision as of 15:16, 18 March 2016 by Eric Kvaalen(talk | contribs)(Redirect to Apsis. (This is a term used in the classic paper on symmetric free-return trajectories around the moon.))
