NASA’s Artemis program will return astronauts to the lunar surface using a Human Landing System staged at Gateway’s 9:2 L2 southern NRHO. The current study explores global lunar access for Gateway’s baseline NRHO and a comparable butterfly orbit. Additionally, increasing transfer time and loitering in low lunar orbit are analyzed to reduce lunar surface access costs. The results show selecting the optimal staging orbit for a landing site, increasing transfer times, and leveraging low lunar orbit loiter greatly reduce performance requirements.


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    Title :

    Enabling Global Lunar Access for Human Landing Systems Staged at Earth-Moon L2 Southern Near Rectilinear Halo and Butterfly Orbits


    Contributors:
    Zachary D May (author) / Min Qu (author) / Raymond G Merrill (author)

    Conference:

    AIAA SciTech Exhibition and Forum ; 2020 ; Orlando, FL, US


    Publication date :

    2020-01-06



    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English


    Keywords :