Small bodies have been shown to be more granular and dusty than previously expected. Furthermore, as a result of landings, mining, or natural impacts, bodies with negligible atmospheres, such as moons and asteroids, may experience an exospheric environment abundant in lofted fines. Significant quantities of these may interfere with the nominal trajectories of spacecraft in low orbits. This work investigates the threshold of activity that would induce concerns to a spacecraft's nominal mission around various bodies including the Moon, Bennu, Comet Wild-2, and Phobos. Coupled motion of spacecraft navigation and control is expressed in SE(3).


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    Title :

    Orbital Drag Near Small Bodies Due to Lofted Fines from Surface Activity


    Contributors:

    Conference:

    AIAA/AAS Astrodynamics Specialist Conference ; 2022 ; Charlotte, NC, US


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English





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