Solutions of family of 2-dimensional transfer orbits with sphere of influence terminals and circular earth orbit are presented in form of continuous plots for trips to and from Mars near its perigee and mean radius; from results, limitations of Hohmann ellipse transfers and general desirability of fast transfers are apparent; perigee kick technique is introduced and sometimes found to be most effective for return transfer; fuel boiloff and graze re-entry capabilities are very significant factors in determining mass ratio requirements; these effects indicate penalties associated with use of cryogenic fuels for Earth-Mars missions.
General discussion of Earth-Mars interplanetary round trips
Can Aeronautics Space J
Canadian Aeronautics and Space Journal ; 9 , n 8
1963
11 pages
Article (Journal)
English
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