Amplitude Parameter

Author: Tianjiang Shuo

Website: https://cislunarspace.cn

Definition

A parameter describing the size of a distant retrograde orbit in the rotating frame, defined as the absolute difference between the initial x-position and the x-coordinate of the Earth-Moon L1 point. Used to numerically compute DROs with a given Jacobi value or amplitude.

Application Value

振幅参数描述平动点轨道的大小，是平动点轨道分类和选型的重要参数。

Related Concepts

• Differential Correction Method
• Laval Nozzle
• Lagrange Point
• Orbital Elements

References

• Tan Minghu et al., 2014, Transfer to long term distant retrograde orbits around the Moon