Volume 32 Issue 3
May  2012
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Cui Wen, Wang Jiasong, Baoyin Hexi. Analysis of solar pressure perturbation impacting on satellite attitude-orbit coupling[J]. Journal of Space Science, 2012, 32(3): 424-429. doi: 10.11728/cjss2012.03.424
Citation: Cui Wen, Wang Jiasong, Baoyin Hexi. Analysis of solar pressure perturbation impacting on satellite attitude-orbit coupling[J]. Journal of Space Science, 2012, 32(3): 424-429. doi: 10.11728/cjss2012.03.424

Analysis of solar pressure perturbation impacting on satellite attitude-orbit coupling

doi: 10.11728/cjss2012.03.424
  • Received Date: 2011-02-24
  • Rev Recd Date: 2011-11-02
  • Publish Date: 2012-05-15
  • With the increasing precision of satellite geodesy, the precision of satellite orbit determination should be improved correspondingly. Currently, the orbit accuracy of Topex, Jason-1, Jason-2 and a series of marine geodetic satellites has already reached a centimeter level. Thus, the satellite dynamics model should also be further improved. Considering the solar array with regular rotation, simplifying the geometry of satellite as Boxing-Wing model which is common in high-precision orbit determination, the solar radiation pressure and moment of Topex satellite are calculated in orbit. Considering the situation of satellite attitude-orbit coupling, the changing of orbital semi-major axis and the satellite attitude caused by the solar pressure perturbation are analyzed. During the calculation of one orbital period, the effect by solar pressure for orbital semi-major axis is about 9cm, and for roll angle and pitch angle both are about 6 degrees, which should not be ignored in high-precision orbit calculations and attitude control.

     

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