The Dawn spacecraft orbited the asteroid Vesta from July 16, 2011 to September 5, 2012, successfully accomplishing the four planned science orbits and two planned rotational characterization orbits. The lowest-altitude science orbit lasted four months, with 20 planned orbit maintenance maneuvers. Navigation results from Vesta demonstrate that the navigation plan was sufficient to achieve orbit delivery accuracy requirements. This paper compares the flown Dawn trajectory against the planned trajectory and expected maneuver dispersions. Understanding the effectiveness of the Vesta maneuver design plan is a key component of planning for operations at Ceres, the next destination for the Dawn mission.


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    Title :

    Dawn Maneuver Design Performance at Vesta


    Contributors:
    Parcher, D. W. (author) / Abrahamson, M. (author) / Ardito, A. (author) / Han, D. (author) / Haw, R. J. (author) / Kennedy, B. M. (author) / Mastrodemos, N. (author) / Nandi, S. (author) / Park, R. S. (author) / Rush, B. P. (author)

    Conference:

    AAS/AIAA Spaceflight Mechanics Meeting ; 2013 ; Kauai, HI, United States


    Publication date :

    2013-02-10


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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