Orbit determination and trajectory prediction for the National Space Transportation System program is complicated by trajectory perturbations that are unique to the Shuttle. Orbital energy changes are seen during extended hold periods as well as during unmodeled attitude maneuvers. While a portion of these changes are due to dynamical mismodeling, the majority of the changes are due to dynamics that are unique to the Shuttle. The ability to take these previously unmodeled effects into account will allow a more accurate preflight and real-time prediction of the orbital trajectory to support payload requirements. This paper deals with the determination of the databases used to determine preflight and real-time energy growth and the results of using the databases to accurately predict energy growth for future flights.


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    Title :

    Manned space flight - The effects of Shuttle perturbations on orbital trajectory


    Contributors:


    Publication date :

    1991-01-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English


    Keywords :


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