Lunar Global Positioning System, LGPS

Author: Tianjiang Shuo

Website: https://cislunarspace.cn

Definition

A navigation satellite constellation deployed at cislunar libration point orbits or around the Moon, providing ranging and positioning information to lunar surface users. Its goal is continuous global lunar coverage, especially for polar and far-side regions. Analogous to Earth's GPS, it serves future lunar exploration and exploitation missions.

Application Value

Lunar Global Positioning System, LGPS provides precise positioning capabilities for cislunar spacecraft and is a key technology for autonomous navigation.

Related Concepts

• Autonomous Orbit Determination
• Dilution of Precision, DOP
• Direction Cosine Matrix
• Precision Orbit Determination

References

• 晋守聪等, 2025, 空间科学学报, 45(2): 317-327