Mathematical Problems in Engineering

Research Article

Optimal Two-Impulse Trajectories with Moderate Flight Time for Earth-Moon Missions

Figure 6

Lagrange points and Hill’s regions for the Earth-Moon system.
971983.fig.006a
(a) Lagrange points
971983.fig.006b
(b) 𝐶 1 < 𝐶
971983.fig.006c
(c) 𝐶 2 < 𝐶 < 𝐶 1
971983.fig.006d
(d) 𝐶 3 < 𝐶 < 𝐶 2
971983.fig.006e
(e) 𝐶 4 < 𝐶 < 𝐶 3
971983.fig.006f
(f) 𝐶 < 𝐶 4