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Xiangxu Lei, Shengfu Xia, Hongkang Liu, Xiaozhen Wang, Zhenwei Li, Baomin Han, Jizhang Sang, You Zhao and Hao Luo
The Changchun Observatory of the National Astronomical Observatories, Chinese Academy of Sciences, and the Shanghai Astronomical Observatory are used to generate very short arc (VSA) angle observations of objects in low Earth orbit (LEO) and geostationar...
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Shuailong Zhao, Xuefeng Tao and Zhi Li
Continuous thrust spacecraft in circular orbits have had a great influence on the identification and cataloging of space targets. Gaussian-type orbital element variational equations are simplified and approximated. Ground-based radar observation datasets...
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Clément Jonglez, Julian Bartholomäus, Philipp Werner and Enrico Stoll
Flight dynamics is a topic often overlooked by operators of small satellites without propulsion systems, as two-line elements (TLE) are easily accessible and accurate enough for most ground segment needs. However, the advent of cheap and miniaturized glo...
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Jian Huang, Xiangxu Lei, Guangyu Zhao, Lei Liu, Zhenwei Li, Hao Luo and Jizhang Sang
For Geosynchronous Earth Orbit (GEO) objects, space-based optical surveillance has advantages over regional ground surveillance in terms of both the timeliness and space coverage. However, space-based optical surveillance may only collect sparse and shor...
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Bingfeng Tan, Yunbin Yuan, Mingyue Wen, Yafei Ning and Xifeng Liu
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