Penetrators are elongated missile-shaped objects designed to implant scientific instrumentation to depths of 1 to 15 meters in a wide variety of soil. A typical penetrator weighs 35 kg and impacts the surface at 150 m/sec oriented as close as possible to vertical. A spacecraft bus carries the penetrators to the target body, controls their deployment, and serves as a data communications relay. The analysis addresses the question of basic feasibility and covers such topics as trajectory requirements and delivered mass capability, deployment modes and penetrator retro sizing, impact site accessibility, guidance and control, and penetrator/bus communications. We conclude that such missions, while difficult in many respects, appear to be technically feasible in the context of Jovian system exploration in the post-1985 time period.


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    Title :

    Penetrator mission concepts for exploration of the Galilean satellites


    Contributors:

    Conference:

    Astrodynamics Conference ; 1976 ; San Diego, CA


    Publication date :

    1976-08-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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