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Can Humanity Continue Space Exploration?The Spacecraft Dynamics Laboratory is tackling this issue by integrating various disciplines so that the space we look up to with dreams will not be filled with space debris. First, by applying astrodynamics to the problem of space debris (space garbage), we are developing tools to discuss and evaluate the stability/instability of space debris distribution, the effectiveness of measures to prevent space debris generation and improve the environment, and the lifetime collision rate of satellites, etc. These tools are used in global discussions in Japan This tool has been used as a Japanese tool in global discussions. We are also developing observation plans to efficiently detect unknown space debris, algorithms to reliably detect moving man-made objects from images taken, and dynamic observations to confirm the health of satellites. On the other hand, the research and development of the nano-satellite "Q-Li" is underway under the leadership of students. The Q-Li nano-satellite project aims to establish a technology for inverse estimation of the movement and change of celestial objects from their luminosity curves, which represent the brightness of celestial objects as a function of time.(Toshiya Hanada）
