NRHO Two-Impulse Phasing

Author: Tianjiang Shuo

Website: https://cislunarspace.cn

Definition

A phasing maneuver on a Near-Rectilinear Halo Orbit where the chaser spacecraft executes two impulsive burns to rendezvous with a co-orbital target. The first burn departs the nominal orbit to chase or wait for the target; after the transfer time elapses, the second burn restores the chaser to the target's orbital state. Compared with three-impulse strategies, two-impulse phasing is more suitable for large phase difference rendezvous.

Application Value

This concept plays an important role in cislunar space mission design and orbital dynamics analysis.

References

  • Li et al., 2026, Chinese Journal of Space Science, 46(1):175-188
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Contributors: ouyangjiahong, Ou Yang Jiahong