Chinese Space Science and Technology ›› 2013, Vol. 33 ›› Issue (2): 13-18.doi: 10.3780/j.issn.1000-758X.2013.02.003
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CAO Jian-Feng1,2,3, HU Song-Jie1,2, HUANG Yong1,3, LIU Lei1,2, LIU Yong1,2, TANG Ge-Shi1,2, LI Xie1,2
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Abstract: The selection of integration center is inevitably involved in the orbital spacecraft calculation, so it is for Chang'e 2 (CE-2) mission. During its extended mission, CE-2 satellite was placed in the Sun-Earth L2 libration orbit near the weak gravitational area. The selection of the integration center was discussed with theoretical analysis. According to the perturbed twobody problem, it is appropriate to choose the Sun as the integration center. While the force model was calculated by using the JPL DE ephemeris without considering the perturbation of small planets, the Earth would appear to be a better choice.
Key words: Orbit integration, Central body, Perturbed two-body problem, Extended mission, Chang'e-2 satellite
CAO Jian-Feng, HU Song-Jie, HUANG Yong, LIU Lei, LIU Yong, TANG Ge-Shi, LI Xie. Selection of Integration Center for Chang'e-2 Satellite Extended Mission[J]. Chinese Space Science and Technology, 2013, 33(2): 13-18.
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URL: https://journal26.magtechjournal.com/kjkxjs/EN/10.3780/j.issn.1000-758X.2013.02.003
https://journal26.magtechjournal.com/kjkxjs/EN/Y2013/V33/I2/13
