This paper describes the evolution of the NASA Double Asteroid Redirection Test (DART) mission design and navigation. Specifically, the mission has been conceived as (1) a hydrazine bus on a ballistic trajectory, (2) a low-thrust bus launching from a geostationary transfer orbit and spiraling to escape, and (3) a lowthrust bus that launches with a small positive escape energy. This paper discusses the rationale in favor of the third concept, low energy escape, and describes the key mission design and navigation studies. In an effort to be compatible with an unknown co-manifest partner, the trajectory design must account for a large range of launch energies, orientations, and dates. The navigation approach must account for sensitive regions in the trajectory and plan for both low-thrust and chemical phases of flight. These findings are relevant to other missions pursuing low-cost interplanetary rideshare concepts.


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    Titel :

    Double Asteroid Redirection Test (DART) Mission Design and Navigation for Low Energy Escape


    Beteiligte:
    Grebow, Daniel (Autor:in) / Laipert, Frank (Autor:in) / Bellerose, Julie (Autor:in) / Velez, Dianna (Autor:in) / Tarzi, Zahi (Autor:in) / Bhaskaran, Shyam (Autor:in) / Reed, Cheryl (Autor:in) / Rivkin, Andrew (Autor:in) / Cheng, Andrew F. (Autor:in) / Adams, Elena (Autor:in)

    Erscheinungsdatum :

    01.10.2018


    Medientyp :

    Preprint


    Format :

    Keine Angabe


    Sprache :

    Englisch






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