A Research on the Orbit Determination Method by Means of Sparse Data of Electronic Fences |
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Authors: | Cao Zhi-bin Xu Jin Ma Jian-bo Hu Wei-dong Fang Ai-li |
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Institution: | 1. Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008;2. University of Science and Technology of National Defense, Changsha 410001 |
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Abstract: | Based on the Lambert equation and knowledge of space geometry a method of orbit determination is given using the sparse observational data provided by the space monitoring electronic fence device. Our simulated experiment of a large number of targets shows that the initial orbit determined by this method can be improved and can converge to a final accuracy better than 100 m, so proving that the method can be applied to the orbit determination of an overwhelming majority of space targets with the observed data of the electronic fence. Finally, the effect of the latitude of the observing station on the application of the method is discussed. |
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Keywords: | instrumentation: miscellaneous Celestial mechanics: orbit determination |
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