Lunar Orbit Eccentricity

Author: Tianjiang Shuo

Website: https://cislunarspace.cn

Definition

The eccentricity of the Moon's orbit around the Earth (approximately 0.0549). In high-fidelity ephemeris models, lunar orbit eccentricity significantly affects transfer time and cost; transfers departing at specific epochs can outperform nominal CR3BP results.

Application Value

This concept is applicable in cislunar space mission design, orbit optimization, and trajectory planning for spacecraft transfers and maneuver strategies.

References

  • Wang et al. 2021
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Contributors: ouyangjiahong, Ou Yang Jiahong