re japanese moon landing temporary orbit in article pgf srl cacs usl edu pgf srl cacs usl edu phil g fraering writes rls uihepa hep uiuc edu ray swartz oh that guy again writes the gravity maneuvering that was used was to exploit fuzzy regions these are described by the inventor as exploiting the second order perturbations in a three body system the probe was launched into this region for the earth moon sun system where the perturbations affected it in such a way as to allow it to go into lunar orbit without large expenditures of fuel to slow down the idea is that natural objects sometimes get captured without expending fuel we ll just find the trajectory that makes it possible the originator of the technique said that nasa wasn t interested but that japan was because their probe was small and couldn t hold a lot of fuel for deceleration i should probably re post this with another title so that the guys on the other thread would see that this is a practical use of temporary orbits another possible temporary orbit phil fraering seems like every day we find out all sorts of stuff pgf srl cacs usl edu like how the ancient mayans had televison repo man if you are really interested in these orbits and how they are obtained you should try and find the following paper hiroshi yamakawa jun ichiro kawaguchi nobuaki ishii and hiroki matsuo a numerical study of gravitational capture orbit in the earth moon system aas aas aiaa spaceflight mechanics meeting colorado springs colorado the references included in this paper are quite interesting also and include several that are specific to the hiten mission itself steven davis daviss sweetpea jsc nasa gov o o db mcdonnell douglas i don t represent vv space systems company anybody but myself houston division
