Initial Parameter Analysis about Resonant Orbits in Earth-Moon System

Figure 8

Resonance transition and weak capture by the Moon in the 1:2 resonant orbit with e = 0.47 and = 10°.

(a) J2000 view of the first Moon approach

(b) GRC view of the first Moon approach

(c) J2000 view of the second Moon approach

(d) GRC view of the second Moon approach

(e) Partially enlarged view of (d)

(f) Variations in the orbital period