Navigation accuracies are presented for a 1985 rendezvous with Halley's Comet using an ion propulsion system. Individual error sources are examined to determine their relative contributions to final delivery errors. The sensitivity of delivery accuracy to stochastic thrust variations is demonstrated by considering a baseline thrust error model and a more benign alternative model. Also studied are the effects of increased comet ephemeris uncertainties and of operational time delays between the orbit determination process and the guidance implementation.


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    Title :

    Navigation capability for an ion drive rendezvous with Halley's Comet


    Contributors:


    Publication date :

    1978-09-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English