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双月旁转向周期轨道是日-地-月空间系统的大尺度轨道,在深空探测中应用潜力巨大。首先,给出了双月旁转向周期轨道的形成机理,分析了航天器地心椭圆轨道拱线在惯性空间中旋转的原因。其次,基于圆锥曲线拼接法进行了双月转向周期轨道初步设计,并给出了基于圆型限制性三体模型的轨道修正方法,形成了一套有效的轨道设计流程,为其在深空探测中的应用提供了一定的参考。最后,选择了典型轨道进行仿真验算,并对设计结果进行了对比分析,结果表明“圆锥曲线拼接法”与“数值积分修正”相结合的轨道设计思路是可行的。
The bivolt cycle orbital orbit is a large-scale orbit of the day-earth-moon space system and has great potential for deep space exploration. Firstly, the formation mechanism of the orbital orbit of the bimonthly lunar orbit is given, and the reason of the rotation of the elliptical orbit arch of the spacecraft in inertial space is analyzed. Secondly, based on the conic splicing method, a preliminary design of bistatic orbit steering orbit is given and a trajectory correction method based on a circular constrained three-body model is given. An effective orbit design flow is formed, In the application provides a certain reference. Finally, a typical orbit is selected for simulation calculation, and the results of the design are compared and analyzed. The results show that the combination of “conic curve splicing method” and “numerical integral correction” is feasible.