EGM2008 Earth Gravitational Model

Author: Tianjiang Shuo

Website: https://cislunarspace.cn

Definition

Spherical harmonic coefficient model describing Earth's gravitational potential at 50×50 order/degree, used to compute non-spherical Earth gravity effects on spacecraft trajectories.

Application Value

EGM2008 Earth Gravitational Model plays a critical role in trajectory optimization and multi-body dynamics analysis for solving complex trajectory design problems.

Related Concepts

• RKF7(8) Integrator
• Compound Particle Swarm Optimization
• Mean Motion Resonance, MMR
• Thrust Acceleration

References

• Chen 等 - 2026