Initial Parameter Analysis about Resonant Orbits in Earth-Moon System

Table 3

Simulation results for 1:2 resonant orbits when the initial parameters can cause closest distance and temporary Kepler energy H₂ > 0.

Initial Phase	Eccentricity e	Closest Distances r1	Kepler Energy H2	Simulation Results
10°	0.51	0.1859	0.0314	Steady ratio
	0.57	0.17235 very close to Hill radius	0.0418	Resonance transition
20°	0.56	0.1916	0.0957	Steady ratio
	0.59	0.17241 very close to Hill radius	0.1080	Resonance transition
30°	0.48	0.2007	0.0339	Steady ratio
	0.62	0.2133	0.1887	Steady ratio
40°	0.55	0.0973	0.0961	Steady ratio
	0.67	0.2059	0.3012	Steady ratio
50°	0.6	0.1955	0.1622	Steady ratio
	0.72	0.2035	0.4688	Steady ratio
60°	0.66	0.1744	0.2798	Steady ratio
	0.77	0.2092	0.7341	Steady ratio
70°	0.71	0.1761	0.4323	Steady ratio
	0.82	0.2253	0.8058	Steady ratio
80°	0.75	0.2039	0.6146	Steady ratio
	0.86	0.2146	0.7649	Steady ratio
90°	0.8	0.1868	0.8001	Steady ratio
	0.9	0.2179	0.7204	Steady ratio