Optimal Low-Thrust Intercept/Rendezvous Trajectories to Earth-Crossing Objects
Optimal Low-Thrust Intercept/Rendezvous Trajectories to Earth-Crossing Objects
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DOI：
10.2514/1.10895
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发表时间：
2005-09
影响因子：
2.6
通讯作者：
Sang-Young Park;Kyu-Hong Choi
中科院分区：
文献类型：
--
作者：
Sang-Young Park;Kyu-Hong Choi
最佳轨道的拦截和交会与地球交叉的物体使用先进的磁等离子体航天器可变小推力能力。一个详细的优化方法，制定提供最佳的轨道，任何威胁的情况下造成的穿越地球的小行星/彗星。分析轨迹的特性，以找到针对目标天体的适当轨迹的见解。它主要说明了最佳的轨迹显着依赖于轨道要素的撞击物体，以及从地球到目标的距离。这些轨道可作为参考轨道，以制定解决地球交叉物体偏转问题的总体概念。
Optimal trajectories are presented that intercept and rendezvous with Earth-crossing objects by using an advanced magnetoplasma spacecraft with variable low-thrust capability. A detailed optimization method is formulated to provide optimal trajectories for any threat scenarios caused by Earth-crossing asteroids/comets. The characteristics of the trajectories are analyzed to find insights into appropriate trajectories for a targeted celestial body. It is primarily illustrated that the optimal trajectories are significantly dependent on the orbital elements of the impacting object, as well as on the distance from the Earth to the target. The trajectories can be used as reference trajectories to formulate an overall concept for solving the deflection problem of the Earth-crossing objects.