Based on a Taylor series expansion, an easily-computed approximation to the Cartesian state transition matrix is presented for a general velocity-independent force field. Suitable for the short time intervals encountered in onboard navigation applications of the extended Kalman filter, it provides approximately five decimal digits of accuracy for earth orbiting spacecraft with update intervals of one minute, and better accuracy for shorter intervals.


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    Title :

    Approximate Cartesian state transition matrix


    Contributors:


    Publication date :

    1986-06-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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