| 大偏心率火星探测器轨道外推的近似方法 |
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| 引用本文： | 胡寿村,刘林.大偏心率火星探测器轨道外推的近似方法[J].飞行器测控学报,2011(5):55-59. |
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| 作者姓名： | 胡寿村 刘林 |
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| 作者单位： | 南京大学天文系;南京大学空间环境与航天动力学研究所; |
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| 摘 要： | 对于快自转天体,如地球和火星,由于其非球形引力位中田谐项的振动频率与卫星运动频率相当,会给构造大偏心率环绕型探测器轨道分析解带来无法克服的困难。本文以轨道偏心率e≈0.9的＂萤火虫一号＂（YH-1）火星环绕探测器为例,探讨在精度要求不高的情况下,给出近似分析解和计算效率与其相当的数值解计算方案,以满足在计算资源有限的制约下快速轨道外推的要求。
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| 关 键 词： | 轨道力学 环绕型火星探测器 大偏心率轨道 田谐项摄动 |
An Approximation Method of Orbit Prediction for HEO Mars Probes |
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| HU Shoucun,LIU Lin.An Approximation Method of Orbit Prediction for HEO Mars Probes[J].Journal of Spacecraft TT&C Technology,2011(5):55-59. |
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| Authors: | HU Shoucun LIU Lin |
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| Institution: | HU Shoucun1,LIU Lin1,2(1.Astronomy Department,Nanjing University,Nanjing 210093,2.Institute of Space Environment and Astronautics,Nanjing 210093) |
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| Abstract: | For fast-rotation celestial bodies like the earth and Mars,the motion frequency between the Tesseral Harmonic Gravitational Potential and the satellite is comparative.This brings about enormous difficulty to construction of a perturbation analytical solution for high eccentricity orbit satellites.Taking YH-1 Mars Orbiter Probe,the eccentricity of which is as high as 0.9,as an example,this paper puts forward an approximation analytical solution and a comparative computation-efficiency numerical computational... |
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| Keywords: | Orbital Mechanics Mars Orbiter High Eccentricity Orbit(HEO) YH-1 Tesseral Harmonic Perturbation |
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