The differential J2 influence is a big challenge to design periodic relative motion between two spacecrafts on neighboring eccentric orbits. A linearized time-variant equation is presented to describe the formation dynamics in the presence of J2 disturbances. For five kinds of basic formation configurations, numerical simulations show that the spacecrafts will not separate over time, when the initial inclination, initial argument of perigee and initial mean anomaly of the reference orbit are set to be special values. Some simple results can be demonstrated with the theory of mean orbit elements, but iteration need to be used for the others. Therefore, an optimization design involving the above osculating orbital elements is proposed to reduce relative orbit drifts due to J2 effects. The results indicate that, the optimal formation can avoid considerable in-plane relative motion drifts and provide substantial fuel savings for formation maintenance.


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    Title :

    Optimization design and analysis of spacecraft formations on elliptic orbits


    Contributors:
    Xueying An, (author) / Leping Yang, (author) / Xiaoning Xi, (author)


    Publication date :

    2008-12-01


    Size :

    561159 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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