The problem of calculating earth satellite entry/exit positions and times through the earth's umbra and penumbra for elliptical satellite orbits is solved in closed form; i.e., without iteration, by reducing the problem to that of finding the roots of a quartic polynomial in a cartesian coordinate. Typical results from an algorithm constructed from the method are shown.


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    Title :

    Calculating satellite umbra/penumbra entry and exit positions and times


    Contributors:


    Publication date :

    1991-12-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English


    Keywords :


    On Satellite Umbra/Penumbra Entry and Exit Positions

    Neta, Beny / Vallado, David | Online Contents | 1998


    On Satellite Umbra/Penumbra Entry and Exit Positions

    Neta, Beny / Vallado, David | Springer Verlag | 1998



    On Satellite Umbra/Penumbra Entry and Exit Positions (AAS 97-155)

    Neta, B. / Vallado, D. / American Astronautical Society et al. | British Library Conference Proceedings | 1997