Fig.1

Schematic diagram of synodic coordinate system in CRTBP"

Table 1

Conversion between dimensionless units and the international system of units"

Fig.2

Two types of periodic orbits around EML1 point"

Fig.3

Stable manifold and unstable manifold of Halo orbit"

Fig.4

Schematic diagram of θ-r section in planar CRTBP"

Fig.5

Schematic diagram of each coordinate in Poincare surface of section in CRTBP"

Fig.6

Unstable manifold of Halo orbit and its Poincare surface of section"

Fig.7

GEO orbit in CRTBP and its Poincare surface of section"

Fig.8

Schematic diagram of unstable manifold and disturbed manifold and Poincare section"

Fig.9

Meaning of each parameter in the Lambert orbit"

Fig.10

Corresponding Jacobi constant of transfer orbit"

Fig.11

3-impulse low power transfer orbit with the target of energy optimal"

Table 2

Statistics of maneuvering parameters in 3-impulse energy optimal model"

Fig.12

3-impulse low power transfer orbit with the target of energy-time optimal"

Table 3

Statistics of maneuvering parameters in 3-impulse energy-time optimal model"

Fig.13

4-impulse low power transfer orbit with the rarget of energy optimal model"

Table 4

Statistics of maneuvering parameters in 4-impulse energy optimal model"

Fig.14

Comparison of evolution results of two models"

Table 5

Optimization parameters of two models"