J2 Perturbation
Author: Tianjiang Shuo
Website: https://cislunarspace.cn
Definition
Perturbation caused by the second-degree zonal harmonic (J₂) of Earth's non-spherical gravitational potential, one of the dominant perturbations for near-Earth satellites, causing precession of the orbital plane and variation of perigee argument.
Application Value
在轨道力学分析和任务设计中,This概念为轨道特性评估和方案比选provides理论依据,有助于优化轨道设计参数,提高任务经济性。
Related Concepts
- 运行轨道库(Operational Orbit Library)
- 月球自由返回轨道(Lunar Free-Return Orbit, LFO)
- 临界轨道(Critical Orbit)
- 准周期远距离逆行轨道(Quasi-Periodic Distant Retrograde Orbit, QPDRO)
References
- 张洪波 - 2015 - 航天器轨道力学理论与方法
