Experiments on Space-Ground Cooperative Monitoring and Precise Orbit Determination of Near-Earth Asteroids

LIU Jing1,2, CHENG Haowen1,2, YANG Zhitao1,2, LI Dawei1,2, CAO Li1,2, JIANG Hai1,2, LI Yang1,2, WANG Huachao1,2

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Journal of Deep Space Exploration ›› 2024, Vol. 11 ›› Issue (2) : 177-183. DOI: 10.15982/j.issn.2096-9287.2024.20230062

Experiments on Space-Ground Cooperative Monitoring and Precise Orbit Determination of Near-Earth Asteroids

  • LIU Jing1,2, CHENG Haowen1,2, YANG Zhitao1,2, LI Dawei1,2, CAO Li1,2, JIANG Hai1,2, LI Yang1,2, WANG Huachao1,2
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Abstract

Based on the Space Debris Experiment Telescope of the National Astronomical Observatories of the Chinese Academy of Sciences,together with the Yangwang-1 and Jilin-1 satellites,a space-based and ground-based collaborative monitoring experiment for near-Earth asteroids was designed and carried out. By using image processing and orbit determination methods,target detection and astronomical positioning of observation images were realized,and the orbit of near-Earth asteroids was precisely determined. Based on the analysis,the existing equipment can realize space-ground collaborative monitoring and orbit cataloging of near-Earth asteroids,and provide orbital data support for the study and estimating of impact risk of near-Earth asteroids.

Keywords

near-Earth asteroids / space-based and ground-based collaborative monitoring / precise orbit determination / data fusion

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LIU Jing, CHENG Haowen, YANG Zhitao, LI Dawei, CAO Li, JIANG Hai, LI Yang, WANG Huachao. Experiments on Space-Ground Cooperative Monitoring and Precise Orbit Determination of Near-Earth Asteroids. Journal of Deep Space Exploration, 2024, 11(2): 177‒183 https://doi.org/10.15982/j.issn.2096-9287.2024.20230062

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