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DISPLACED PERIODIC ORBITS WITH LOW-THRUST PROPULSION IN THE EARTH-MOON SYSTEM

机译:月球系统中具有低推力的位移周期轨道

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Solar sailing and solar electric technology provide alternative forms of spacecraft propulsion. These propulsion systems can enable exciting new space-science mission concepts such as solar system exploration and deep space observation. The aim of this work is to investigate new families of highly non-Keplerian orbits, within the frame of the Earth-Moon circular restricted three-body problem (CRTBP), where the third massless body utilizes a hybrid of solar sail and a solar electric thruster. The augmented thrust acceleration is applied to ensure a constant displacement periodic orbit above L_2, leading to simpler tracking from the lunar surface for communication applications. Using an approximate, first order analytical solution to the nonlinear non-autonomous ordinary differential equations, periodic orbits can be derived that are displaced above/below the plane of the CRTBP.
机译:太阳能航行和太阳能技术提供了航天器推进的替代形式。这些推进系统可以激发令人兴奋的新的空间科学任务概念,例如太阳系探索和深空观测。这项工作的目的是在“地球-月亮”圆形受限三体问题(CRTBP)的框架内研究高度非基普勒轨道的新族,其中第三无质量体利用了太阳帆和太阳能的混合动力推进器。施加增大的推力加速度以确保L_2上方的恒定位移周期性轨道,从而从月球表面进行更简单的跟踪以进行通信应用。使用非线性非自治常微分方程的近似一阶解析解,可以得出在CRTBP平面上方/下方偏移的周期性轨道。

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