An Efficient and Precise Method for Calculating the Dense Ephemeris of High Eccentricity Orbit |
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| Institution: | 1. Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023;2. University of Chinese Academy of Sciences, Beijing 100049;3. Key laboratory of Space Object and Debris Observation, Nanjing 210023;1. Beijing Institute of Spacecraft Environment Engineering, Beijing 100094;2. National Key Laboratory of Science and Technology on Reliability and Environmental Engineering, Beijing 100094;3. Department of Engineering Physics, Tsinghua University, Beijing 100084;4. Key Laboratory of Particle & Radiation Imaging (Tsinghua University), Ministry of Education, Beijing 100084;1. Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023;2. Key Laboratory foe Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023;3. School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026;1. Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216;2. Center for Astronomical Mega-Science, Chinese Academy of Sciences, Beijing 100012;3. University of Chinese Academy of Sciences, Beijing 100049;4. Kunming University of Science and Technology, Kunming 650031;5. National Space Science Center, Chinese Academy of Sciences, Beijing 100190;6. Beijing Key Laboratory of Space Environment Exploration, Beijing 100190;7. Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094;8. Purple Mountain Observatories, Chinese Academy of Sciences, Nanjing 210008;9. School of Earth and Space Sciences, Peking University, Beijing 100871;10. Key Laboratory of Solar Activity, Chinese Academy of Sciences, Beijing 100012;11. Institute of Space Sciences, Shandong University (Weihai), Shandong 264209;12. National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012;13. Innovation Academy for Microsatellites, Chinese Academy of Sciences, Shanghai 201203;14. School of Space and Environment, Beihang University, Beijing 100191;15. School of Astronomy and Space Science, Nanjing University, Nanjing 210093;1. School of Physical Science and Technology, Xinjiang University, Urumqi830046;2. Xinjiang Astronomical Observatory, Chinese Academy of Sciences, Urumqi830011;3. Key Laboratory of Radio Astronomy, Chinese Academy of Sciences, Nanjing210023;4. Guizhou Provincial Key Laboratory of Radio Astronomy and Data Processing,Guiyang 550001;1. Yunnan Astronomical Observatories, Chinese Academy of Sciences, Kunming 650011;2. School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049 |
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| Abstract: | Detection and cataloguing of space targets are an important issue for spacecraft safety. The large number of space targets makes the workload of orbit calculation very heavy. Being fast in calculation, the analytical method however cannot handle the processing of high-precision observational data. The numerical method on the contrary is good at the orbit determination for such targets. The cataloguing of space targets generally involves the production and calculation of dense ephemeris, for which an effective technique procedure that can calculate the orbit of High Eccentricity with both high accuracy and high efficiency has not yet formed, making the cataloguing difficult. In this paper, we propose a fast processing method that is suitable for the precise calculation of dense ephemeris for orbits with High Eccentricity, and optimize the parameters through numerical experiments. The superiority of the method is verified by examples. |
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| Keywords: | High eccentricity orbit Dense ephemeris high precision high time efficiency |
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