This paper offers an early examination of the challenges of navigating a crewed vehicle, with all of the associated unmodeled accelerations that arise from the crew's activities, in an orbit about the Earth-Moon L2 point. The combination of the unstable nature of libration orbits with the lack of acceleration knowledge makes the station keeping strategy challenging. It is found that a combination of ground tracking and satellite-to-satellite tracking produces the most favorable navigation accuracy. This paper examines the costs and benefits of applying LiAISON (Linked Autonomous Interplanetary Satellite Orbit Navigation) to a crewed mission in an unstable L2 orbit.


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    Title :

    Liaison-Supplemented Navigation of a Crewed Vehicle in a Lunar Halo Orbit


    Contributors:

    Conference:

    AAS/AIAA Astrodynamics Specialist Conference ; 2013 ; Hilton Head, SC, United States


    Publication date :

    2013-08-11


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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