Asteroid detection is of great significance for studying the origin and evolution of the solar system, collision warning, space resource development, etc. through the networking of micro-satellite constellation, large-scale and high-frequency observations of asteroids can be achieved. Aiming at the above requirements, through the collaborative optimization of imaging chains, this paper develops a 5kg high-performance visible camera for weak space target detection, which has the detection ability better than 13 Mv, which is equivalent to detecting a target with a diameter of 10cm at a distance of 1000km, and can be carried on a 10kg micro-satellite. Through the networking of micro-satellites, give play to the advantages of cluster detection, realize the high-sensitivity and high-frequency detection of asteroids, and provide high real-time data support for asteroid research and early warning.
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