TLE-Aided Orbit Determination Using Single-Station SLR Data |
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| Authors: | Liang Zhi-peng Liu Cheng-zhi Fan Cun-bo Sun Ming-guo |
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| Institution: | 1. Changchun Observatory, National Astronomical Observatories, Chinese Academy of Sciences, Changchun 130117;2. Graduate School of Chinese Academy of Sciences, Beijing 100049 |
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| Abstract: | It is difficult to use the single-station satellite laser ranging (SLR) data for orbit determination, due to the singular geometrical distribution of the observations. The single-station data produced by performing the diffuse- reflection SLR on the earth-orbiting space debris are therefore ineffective for orbit improvement. To solve this problem, we propose an orbit determination method by using single-station SLR data in aid of the two-line element set (TLE). For verifying its feasibility, this method is implemented and applied to the orbit determination of the satellite Ajisai, using the single-station SLR data of five passes in one day and the corresponding TLE. And on this basis, the five-day orbit prediction is generated, the result indicates that the errors of predicted positions are less than 40 m. In addition, the potential application of this method in the orbit improvement of space debris is discussed. |
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| Keywords: | space vehicles celestial mechanics orbit determination |
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