Human lunar return: An analysis of human lunar exploration scenarios within the upcoming decade

Braun, Max; Gollins, Nick; Trivino, Veronica; Hosseini, Shahrzad; Schonenborg, Rogier; Landgraf, Markus

doi:10.1016/j.actaastro.2020.03.037

Cited by 8 publications

(1 citation statement)

References 3 publications

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“…At the beginning of the 21st century, various countries proposed and actively promoted lunar exploration plans, setting off a second lunar exploration boom. [1][2][3] In recent years, the United States has been stepping up the "Artemis" program, with the goal of crewed landing at the south pole of the Moon in 2024 and continuing to explore the Moon in 2025 with the goal of establishing a lunar base. 4 With the successful implementation of the Chang'E-5 mission, the last phase of China's lunar exploration project "circling, landing and returning from the Moon" has been successfully completed.…”

Section: Introductionmentioning

confidence: 99%

Design of contingency point return trajectory in the lunar orbit insertion phase for crewed lunar exploration missions

Zhou²,

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part G:

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To satisfy the requirement of contingency rescue in the lunar orbit insertion phase for crewed lunar exploration missions, this paper designs the contingency point return trajectory. First, according to different failure situations of the main propulsion system in the lunar orbit insertion phase, different types of contingency return modes are analyzed and summarized. Second, considering the terminal constraints of point return, a calculation model of the contingency point return trajectory is established, and a serial optimization process is adopted to obtain a high-fidelity solution. Finally, a numerical simulation is used to verify the model. The simulation results indicate that this model can be applied to determine the contingency point return trajectories under different situations in the lunar orbit insertion phase and demonstrate the validity and feasibility of the trajectory calculation model proposed in this paper. The research conclusions can provide a reference for the design of contingency rescue schemes in the lunar orbit insertion phase for crewed lunar exploration missions.

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