| “嫦娥二号”卫星拓展试验轨道计算中心天体的选取 |
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| 引用本文： | 曹建峰,胡松杰,黄勇,刘磊,刘勇,唐歌实,李勰.“嫦娥二号”卫星拓展试验轨道计算中心天体的选取[J].中国空间科学技术,2013,33(2):13-18. |
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| 作者姓名： | 曹建峰 胡松杰 黄勇 刘磊 刘勇 唐歌实 李勰 |
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| 作者单位： | （1 航天飞行动力学技术重点实验室,北京 100094）（2 北京航天飞行控制中心,北京 100094）（3 中国科学院上海天文台,上海 200030） |
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| 基金项目： | 国家自然科学基金（11173005,11073047,11203003） |
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| 摘 要： | 飞行器的星历积分不可避免涉及中心天体的选取问题。“嫦娥二号”卫星在拓展试验期间处于弱引力区,文章针对拓展试验期间的轨道状态,从受摄运动二体问题角度分析得出适宜选取太阳作为中心天体。进而结合真实力模型情况,使用行星星历表计算行星产生的摄动力,从理论上推导得出在忽略小天体摄动的前提下,由于摄动天体同时对中心天体和飞行器产生摄动作用,以地球为中心天体产生的摄动力类似于潮汐力,而以太阳为中心天体则不然,因而更适宜选取地球作为中心天体计算轨道运动问题
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| 关 键 词： | 星历积分 中心天体 摄动二体问题 拓展试验 "嫦娥二号"卫星 |
| 收稿时间： | 2012-07-12 |
Selection of Integration Center for Chang'e-2 Satellite Extended Mission |
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| 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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| Authors: | CAO Jian-Feng HU Song-Jie HUANG Yong LIU Lei LIU Yong TANG Ge-Shi LI Xie |
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| Institution: | （1 Science and Technology on Aerospace Flight Dynamics Laboratory, Beijing 100094）（2 Beijing Aerospace Control Center, Beijing 100094）（3 Shanghai Astronomical Observatory, Shanghai 200030 ） |
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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 two body 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. |
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| Keywords: | Orbit integration Central body Perturbed two-body problem Extended mission Chang'e-2 satellite |
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