Perilune Distance

Author: Tianjiang Shuo

Website: https://cislunarspace.cn

Definition

Distance from the satellite to the lunar surface at perilune; an important parameter in halo orbit selection, with stability correlated to perilune distance.

Application Value

This concept plays an important role in cislunar space mission design and orbital dynamics analysis.

Related Concepts

• Coplanar Orbital Plane Constraint
• Lissajous Orbit
• High Earth Orbit, HEO
• Exterior Phase

References

• Trabacchin and Colombatti 2025