Calculation of the inertial orientation of the OSO-7 spacecraft from the times at which known stars or planets transit planes fixed in the spacecraft. Both the reference planes and the timing information are provided by the star scanner instrument aboard the spacecraft, while the star identification and the statistical estimation of a set of parameters describing the spacecraft attitude are accomplished in a ground station computer facility. A recursive least-squares determination is made of a vector of first-order differential corrections to the attitude state vector. Preliminary analysis indicates the system accuracy to be 3 arc min in each attitude Euler angle.


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    Title :

    Star scanner attitude determination for the OSO-7 spacecraft.


    Contributors:

    Conference:

    American Institute of Aeronautics and Astronautics and American Astronautical Society, Astrodynamics Conference, Palo Alto


    Publication date :

    1972-09-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English


    Keywords :


    Star scanner attitude determination for the OSO-7 spacecraft

    MACKISON, D. / GUTSHALL, R. / VOLPE, F. | AIAA | 1972


    Star Scanner Attitude Determination for the OSO-7 Spacecraft

    D. L. MACKISON / R. L. GUTSHALL AND F. VOLPE | AIAA | 1973




    Attitude determination of the spin-stabilized Project Scanner spacecraft

    Hinton, D. E. / Keating, J. C. / Walsh, T. M. | NTRS | 1968