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• 空间探测技术 • Previous Articles     Next Articles

Orbit design and scientific exploration event analysis of Yinghuo-1

Zheng Jianhua1, Guo Shishu1,2, Wu Xia1, Li Xiaoyu1,2, Zhang Yiteng1   

  1. 1. Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100190;
    2. Graduate University of Chinese Academy of Sciences, Beijing 100049
  • Received:2011-02-04 Revised:2012-03-10 Online:2012-05-15 Published:2012-05-15

Abstract: The orbit of Yinghuo-1 is designed for the 2011 launching window with the patched conic approximation method. Then, the orbit characteristics of Yinghuo-1 around Mars, such as the time for Yinghuo-1 flying into the Mars shadow and the time of the sun outage when Yinghuo-1 can not communicate with the Earth, are analyzed. Moreover, the events and time for Yinghuo-1 to pass by the bow shock and the magnetic pileup boundary of the Mars are given. It also shows the time for CCD imager to take pictures of Mars and Phobos, the time for X-band transmitter to do the Mars Radio Occultation Experiment (MROE) with deep ground stations, and the time for the radio occultation receiver in Yinghuo-1 to do the MROE with USO experiment on board of Phobos-Grunt spacecraft. The results of simulation demonstrate that there are many scientific exploration events during one-year flight around the Mars after Yinghuo-1 separates from Phobos-Grunt.

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