Forward-Moon-Retrograde Flyby in Quadrant II

Author: Tianjiang Shuo

Website: https://cislunarspace.cn

Definition

DRO capture method where the spacecraft's initial perilune resides in the second quadrant of the Moon-centered rotating frame and orbits the Moon retrograde.

Application Value

This concept has application value in cislunar space research and engineering practice, helping to understand core principles of the field.

Related Concepts

• Lunar Free-Return Orbit, LFO
• Weak Stability Boundary-like Ballistic Transfer, WSB-like
• Planar Lunar Orbit, PLO
• Low-thrust Orbit Transfer

References

• Wang 等 - 2025.