Spherical Harmonic Model

Author: Tianjiang Shuo

Website: https://cislunarspace.cn

Definition

Mathematical model representing gravitational potential using spherical harmonic expansion; describes non-spherical gravitational fields of celestial bodies.

Application Value

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

Related Concepts

• Flight-Path Angle
• Ephemeris Model
• Artificial Libration Point
• Recursive Forgetting Factor Estimation

References

• Vepa - 2024 - Space vehicle maneuvering, propulsion, dynamics and control