Tangential

Author: Tianjiang Shuo

Website: https://cislunarspace.cn

Definition

The geometric relationship where two orbits share a single tangent point. For distant retrograde orbits (DRO), two Lyapunov orbits are each tangential to the DRO at one point, enabling design of DRO entry and exit transfer trajectories.

Application Value

This concept plays an important role in trajectory optimization and mission planning applications.

Related Concepts

• Minimum-Time Trajectory
• Orbit Maintenance Cost

References

• 徐明 - 2010 - Conditions and Trajectory Construction for Low-Energy Earth-Moon Transfers