Effect of libration in longitude on circumlunar time of lunar soft-landing probe was studied. Firstly concept of libration in longitude and coordinates needed were introduced, calculation method of libration in longitude was deduced, then geometry at entry point of the lunar sphere of influence was analyzed from which an important conclusion was obtained, at last relations between circumlunar time and libration in longitude were calculated, and some simulations of the problem were given.


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    Title :

    Effect of libration in longitude on circumlunar time of lunar soft-landing probe


    Contributors:


    Publication date :

    2010-06-01


    Size :

    686453 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English





    Lunar Free Libration

    Williams, J. G. / Newhall, X. X. / Yoder, C. F. et al. | British Library Conference Proceedings | 1996



    Soft Lunar Landing

    K. B. Andrews / M. N. Sloane | NTIS | 1959