地月L2点中继星捕获域研究  

ANALYSIS OF CAPTURE AREA OF EARTH-MOON L2 LIBRATION POINT RELAY SATELLITE

作　　者：梁伟光[1,2] 马传令 刘勇[1,2] 刘磊 Liang Weiguang;Ma Chuanling;Liu Yong;Liu Lei(Beijing Aerospace Control Center,Beijing 100094,China;National Key Laboratory of Science and Technology on Aerospace Flight Dynamics,Beijing 100094,China)

机构地区：[1]北京航天飞行控制中心,北京100094 [2]航天飞行动力学技术重点实验室,北京100094

出　　处：《动力学与控制学报》2021年第2期15-21,共7页Journal of Dynamics and Control

基　　金：国家自然科学基金资助项目(61573049,61571032,11773004);国家探月工程重大专项。

摘　　要：嫦娥四号中继星“鹊桥”的标称使命轨道为地月L2点附近振幅和方向均确定的halo轨道.在使命轨道外,中继星可以捕获为绕飞地月L2点的其他轨道,仍能够为位于月球背面的着陆器、巡视器提供地月中继通信服务.捕获域可以直观定量地表现中继星在地月L2点附近被捕获的能力与范围.针对地月L2点中继星的捕获域开展了系统研究,从月掩、中继通信、轨道维持控制等方面分析了中继星在地月L2点附近捕获的效果.对地月L2点中继星任务轨道捕获相关的影响因素设计了量化分析方法,并基于实际任务数据对研究内容进行了仿真验证.研究结果表明,相较使命轨道,其他捕获轨道在中继通信服务效果方面有所改变,捕获域内对中继通信的影响可以基于计算结果进行量化区分.地月L2点中继星捕获域分析有助于为后续相关工程任务轨道设计提供技术积累与参考.The halo orbit with specific amplitude and direction around Earth-Moon L2 libration point is the nominal mis⁃sion orbit of Chang’e 4 relay satellite“Queqiao”.Beyond the mission orbit,relay satellite could be captured to other or⁃bits around Earth-Moon L2 libration point and could continue supplying communication relay to the lander and rover on the far side of moon.Capture area intuitively and quantificationally show ability and scope of relay satellite captured around Earth-Moon L2 libration point.Capture area of Earth-Moon L2 libration point relay satellite is systematically in⁃vestigated.Capture effects are analyzed in terms of lunar occultation,communication relay,orbit maintain control,etc.Quantitative analysis methods are designed for influence factors of Earth-Moon L2 libration point relay satellite mission.Our results are verified by simulation based on mission measured data.Research results show that,comparing with the mission orbit,other capture orbits have distinct communication relay effects.Effects on communication relay in capture area could be quantitatively distinguished based upon the calculation results.Analysis of capture area of Earth-Moon l2 libration point relay satellite is meaningful to supplying technical reserve and reference for orbit design in future relevant missions.

关 键 词：捕获域 地月L2点 中继星 月掩 中继通信 轨道维持控制 零速度面 

分 类 号：V476.3[航空宇航科学与技术—飞行器设计] V556.8