Resonant Orbit

Author: Tianjiang Shuo

Website: https://cislunarspace.cn

Definition

A periodic orbit whose period bears an integer-ratio relationship to the Moon's orbital period (e.g., 2:1, 3:1). While resonant families are common in solar system dynamics, they have limited application in the Earth-Moon system. Notable applications include the IBEX spacecraft's 3:1 resonant extended mission and TESS's 2:1 resonant orbit for scientific observation.

Application Value

Resonant Orbit is an important orbit type in cislunar trajectory design, widely applied in mission planning.

References

  • 曹建峰 等 - 2025 - 地月空间单程测量观测建模与算法实现
  • Folta et al., 2015
  • Klonowski 等 - 2024 - Cislunar space domain awareness architecture design and analysis for cooperative agents
  • Waldecker & Howell 2025
  • Parker和Anderson - 2014 - Low-energy lunar trajectory design
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Contributors: ouyangjiahong, Ou Yang Jiahong