Speed increment requirements are investigated for spacecraft traveling from circular parking orbit about Earth, to vicinity of planet Mars, into circular parking orbit about Mars, out of circular parking orbit about Mars (after stay time of 7 days), to vicinity of Earth, and back into circular parking orbit about Earth; three-dimensional analytic conic approximation to accurate integrated trajectory is used in analysis; characteristics of trajectories from Earth to Mars and return for decade beginning Jan 1970 and ending Jan 1980 are investigated for four round-trip flight times.


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    Title :

    High-energy trajectories from Earth to Mars and return


    Additional title:

    J Astronautical Sciences


    Contributors:

    Published in:

    Publication date :

    1967


    Size :

    14 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :