Initial Parameter Analysis about Resonant Orbits in Earth-Moon System

Table 1

Simulation results for the 1:2 resonant orbits when the initial parameters can cause the closest distance to lie within the Moon’s sphere of influence.

Initial Phase	Eccentricity e	Simulation Results
10°	0.34	Flyby
	0.43	Flyby
	0.5	Resonance transition
20°	0.43	Flyby
	0.5	Flyby
	0.55	Resonance transition
30°	0.5	Flyby
	0.54	Flyby
	0.6	Resonance transition
40°	0.56	Flyby
	0.6	Flyby
	0.65	Resonance transition
50°	0.61	Flyby
	0.67	Flyby
	0.71	Resonance transition
60°	0.67	Resonance transition
	0.71	Flyby
	0.75	Resonance transition
70°	0.72	Resonance transition
	0.76	Flyby
	0.8	Resonance transition
80°	0.76	Resonance transition
	0.8	Flyby
	0.84	Resonance transition
90°	0.81	Resonance transition
	0.84	Flyby
	0.88	Resonance transition
100°	- - -	- - -
	- - -	- - -
	- - -	- - -