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To realize sustainable lunar exploration, JAXA plans to establish the Lunar Exploration Augmentation and Demonstration (LEAD) Program, which will demonstrate several technologies and carry out what are expected to be astonishing science missions. This paper reports the status of the first-phase missions of the landing demonstration and the Lunar Navigation Satellite System (LNSS) for 2028. A lunar lander and a Lunar Navigation Satellite System (LNSS) demonstration satellite will be inserted into different lunar orbits after separating from a rocket. In this paper, the trajectory design analysis, guidance, and navigation control analysis results are also discussed. In addition, landing dynamics are presented, and mission feasibility is evaluated.

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Mission Analysis of Transfer Orbit and Lunar Landing on LEAD Program

  • 会议论文

  • 发表日期：

    2025年

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  • Junji Kikuchi,
  • Kota Tanabe,
  • Masaru Koga,
  • Kazuki Kariya,
  • Takahiro Sasaki,
  • Naoki Sato

摘要

To realize sustainable lunar exploration, JAXA plans to establish the Lunar Exploration Augmentation and Demonstration (LEAD) Program, which will demonstrate several technologies and carry out what are expected to be astonishing science missions. This paper reports the status of the first-phase missions of the landing demonstration and the Lunar Navigation Satellite System (LNSS) for 2028. A lunar lander and a Lunar Navigation Satellite System (LNSS) demonstration satellite will be inserted into different lunar orbits after separating from a rocket. In this paper, the trajectory design analysis, guidance, and navigation control analysis results are also discussed. In addition, landing dynamics are presented, and mission feasibility is evaluated.