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《Journal of Astronautics》 2009-01
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Research on Gravity-Assist Mechanism in Circular Restricted Three-body Problem

QIAO Dong1,CUI Ping-yuan1,CUI Hu-tao2 (1.School of Aerospace Science and Engineering,Beijing Institute of Technology,Beijing 100081,China;2.Deep Space Exploration Research Center,Harbin Institute of Technology,Harbin 150080,China)  
To the Gravity-Assist Technology in interplanetary mission,we research deeply on the relative between the independent variables that describe completely the Gravity-Assist maneuver and orbital change before and after gravity-assist maneuver by using Circular Restricted Three-body problem(CRTP).On the condition of CRTP,we provide the conditions of escape and captive,switching condition between direct orbit and retrograde orbit with gravity-assist maneuver in CRTP by using the method of forward and back integral.Taking the Earth-Moon system as an example,we provide the selection region of gravity-assist parameters that can achieve escape and captive and switch orbital type in Earth-Moon system with Moon gravity-assist.Finally,we analyze the influence of the latitude,velocity and phase angle of gravity-assist maneuver on change of orbital energy before and after gravity-assist in order to improve our understanding of this problem further.
【Fund】: 国家自然科学基金(10672044);; 博士后科学基金(20080430022)
【CateGory Index】: V412.41
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