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《Science of Surveying and Mapping》 2009-01
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The evolvement of satellite orbit and constellation configuration

MAO Yue①②,SONG Xiao-yong②,JIA Xiao-lin②(① Institute of Surveying and Mapping,Information Engineering University,Zhengzhou 450052,China;② Xi'an Research Institute of Surveying and Mapping,Xi'an 710054,China)  
The changes of satellite orbital elements influenced by earth potential perturbation are analyzed with respect to three kinds of satellite(GEO,IGSO,MEO).The long term changes of satellite orbital elements are computed inversely through precise ephemeris of two years.The reasons of its annual,half-annual,mensal changes are analyzed.The effects of the bias of injecting orbit are researched.The bias of injecting orbit is the important factor deciding the evolvement of actual satellite orbits compared with the designed satellite orbits.At last the evolvement of constellation configuration and orbit westward motion influences are researched.
【CateGory Index】: P228
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