Characteristic Curve

Author: Tianjiang Shuo

Website: https://cislunarspace.cn

Definition

In halo orbit transfer design, a curve describing the relationship between time of flight (TOF) and minimum required thrust T_max. Each curve corresponds to a fixed number of orbital revolutions n. Curves shift down and right as n increases, indicating that more revolutions reduce thrust requirements. Serves as a core tool for engine sizing and transfer planning.

Application Value

This concept has practical applications in cislunar space science and engineering. Related research supports the planning, implementation, and operations of cislunar missions, forming an integral part of the knowledge system in this field.

Related Concepts

• Multiple Segment Trajectory Design
• Zero-Velocity Surface
• Null Vector
• Circular Restricted Three-Body Problem

References

• Du et al., 2023, Two trajectory configurations for the low-thrust transfer between northern and southern halo orbits