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Preliminary Exploration of Orbit Determination Method by Means of Space-based Angle Measurement Data |
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| Authors: | Wu-sheng Chen Qing-bo Gan Jing Zhang Ben-kui Lu Jing-yuan Ma |
| Institution: | aPurple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008 bSchool of Sciences, Nanjing University of Technology, Nanjing 210009 |
| Abstract: | The determination of the orbit of a target satellite by means of observed angle measurement data has a very important applicative value. In order to solve this problem, an optimization mathematic model labelled STSM is first constructed. Next is given the necessary numerical procedure of finding the initial values by polynomial fitting of the angle measurement data. Thirdly, the properties of STSM are analyzed in detail, from which the basic method for solving the optimization problem is found. Finally, the above-mentioned method is applied to a large number of simulation calculations and a preliminary analysis of the results is made. The calculated results show that for a given accuracy and density of data, it is feasible to determine the orbital elements of the target satellite by using space-based angle measurement data according to the procedure given. |
| Keywords: | celestial mechanics—method: numerical |
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