Direct and indirect abort trajectory requirements of lunar orbit and descent phase of manned lunar mission; indirect aborts, treated through intermediate lunar parking orbit, are shown to be possible from any point on trajectory down to final touchdown, but regions from which direct aborts can commence are restricted; velocity increment and time-to-return for direct and indirect abort sequences are established with emphasis on initial trajectory.


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    Title :

    Abort considerations for manned lunar missions


    Additional title:

    Progress Astronautics Aeronautics


    Contributors:


    Publication date :

    1963


    Size :

    32 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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