Conic Approximation of Transfer Segment

Author: Tianjiang Shuo

Website: https://cislunarspace.cn

Definition

A computational strategy for transfer segments between a low-Earth parking orbit and an invariant manifold in the three-body model. It first approximates the segment with a conic curve in the two-body model, derives velocity increments analytically from classical orbital elements to avoid iterative three-body computations, then refines the result in the three-body model.

Application Value

In orbital design, analysis, and control, dynamics models are used to predict spacecraft trajectories, with equations of motion solved numerically or analytically. This concept underpins critical mission capabilities including orbital maneuver design, orbit improvement, and formation flying.

References

  • 平动点双脉冲转移轨道的快速计算方法（潘迅 等，2017）
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Contributors: ouyangjiahong, Ou Yang Jiahong