Abstract A linear approximation based fast prediction algorithm for the Earth–Moon transfer trajectory is proposed. Compared with the multi-conic technique, the algorithm dramatically improves the accuracy of the trajectory prediction results. Based on this prediction algorithm and the pseudostate theory, a preliminary design algorithm of the free-return lunar flyby trajectories between the Earth and the Moon is developed. Without numerical differential correction, an accurate solution can be obtained within a little computational time. A large number of numerical examples are carried out to examine the reliability and efficiency of this design algorithm. The results indicate that this design algorithm has a good balance between the accuracy and efficiency. It is valuable for the large-scale computational applications, such as the lunar exploration mission analysis.

    Highlights A linear approximation based fast prediction algorithm is proposed. A fast free-return lunar flyby trajectory design method is developed. The design method is suitable for large-scale computational mission analysis.


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    Title :

    Accurate and fast design algorithm for free-return lunar flyby trajectories


    Contributors:
    Zhang, Hongli (author) / Luo, Qinqin (author) / Han, Chao (author)

    Published in:

    Acta Astronautica ; 102 ; 14-26


    Publication date :

    2014-05-07


    Size :

    13 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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