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GUO Peng, Vyacheslav Vasilievich IVASHKIN, LANG Anqi, CHEN Xianggui, CUI Hutao. Navigation and Orbit Determination Performance Analysis of the Russian Space System “NEBOSVOD” for Monitoring Near Earth Objects[J]. Journal of Deep Space Exploration. doi: 10.15982/j.issn.2096-9287.2022.20220045
Citation: GUO Peng, Vyacheslav Vasilievich IVASHKIN, LANG Anqi, CHEN Xianggui, CUI Hutao. Navigation and Orbit Determination Performance Analysis of the Russian Space System “NEBOSVOD” for Monitoring Near Earth Objects[J]. Journal of Deep Space Exploration. doi: 10.15982/j.issn.2096-9287.2022.20220045

Navigation and Orbit Determination Performance Analysis of the Russian Space System “NEBOSVOD” for Monitoring Near Earth Objects

doi: 10.15982/j.issn.2096-9287.2022.20220045
  • Received Date: 2022-05-15
  • Rev Recd Date: 2022-07-01
  • Available Online: 2022-08-10
  • This paper analyzes and evaluates the navigation and orbit determination performance of the Russian space system "NEBOCVOD", which is designed for monitoring Near Earth Objects (NEOs). And we focus on the optical detectable region and asteroid orbit determination accuracy of the system. Firstly, considering the features of space-based optical measurement system, we propose a method for analyzing the optical detectable region by constructing the contours of apparent magnitude and the apparent motion trajectory of asteroids in the Sun-Earth rotating coordinate system. Then, by modeling the motion and measurement of the system, and considering the influence of uncertain nuisance parameters, we propose a novel approach for orbit determination and accuracy analysis based on improved least square method and covariance analysis. Finally, taking the hazardous NEOs (Apophis, 2008TC3 and Chelyabinsk meteorite) as examples, we simulate the observation and orbit determination process when the "NEBOSVOD" system is assumed to monitor NEOs with different orbital types and sizes, and present the simulation results for multiple measurement intervals. It is shown that the "NEBOCVOD" system can effectively observe medium-sized asteroids like Apophis (D≈320 m) and smaller (D≈4-50 m) NEOs, including those approaching Earth from the Sun, and can achieve high enough navigation and orbit determination accuracy. Our methods and results may provide help for the design and research of the similar space-based monitoring system.
  • ● We analyze the navigation and orbit determination performance of the Russian space-based monitoring system "NEBOCVOD". ● We propose methods for orbit determination and accuracy analysis based on the space-based optical measurements. ● We present the simulation results on orbit determination accuracy when the "NEBOSVOD" system is assumed to monitor the asteroid Apophis, 2008TC3 and Chelyabinsk meteorite.

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Navigation and Orbit Determination Performance Analysis of the Russian Space System “NEBOSVOD” for Monitoring Near Earth Objects

doi: 10.15982/j.issn.2096-9287.2022.20220045

Abstract: This paper analyzes and evaluates the navigation and orbit determination performance of the Russian space system "NEBOCVOD", which is designed for monitoring Near Earth Objects (NEOs). And we focus on the optical detectable region and asteroid orbit determination accuracy of the system. Firstly, considering the features of space-based optical measurement system, we propose a method for analyzing the optical detectable region by constructing the contours of apparent magnitude and the apparent motion trajectory of asteroids in the Sun-Earth rotating coordinate system. Then, by modeling the motion and measurement of the system, and considering the influence of uncertain nuisance parameters, we propose a novel approach for orbit determination and accuracy analysis based on improved least square method and covariance analysis. Finally, taking the hazardous NEOs (Apophis, 2008TC3 and Chelyabinsk meteorite) as examples, we simulate the observation and orbit determination process when the "NEBOSVOD" system is assumed to monitor NEOs with different orbital types and sizes, and present the simulation results for multiple measurement intervals. It is shown that the "NEBOCVOD" system can effectively observe medium-sized asteroids like Apophis (D≈320 m) and smaller (D≈4-50 m) NEOs, including those approaching Earth from the Sun, and can achieve high enough navigation and orbit determination accuracy. Our methods and results may provide help for the design and research of the similar space-based monitoring system.

GUO Peng, Vyacheslav Vasilievich IVASHKIN, LANG Anqi, CHEN Xianggui, CUI Hutao. Navigation and Orbit Determination Performance Analysis of the Russian Space System “NEBOSVOD” for Monitoring Near Earth Objects[J]. Journal of Deep Space Exploration. doi: 10.15982/j.issn.2096-9287.2022.20220045
Citation: GUO Peng, Vyacheslav Vasilievich IVASHKIN, LANG Anqi, CHEN Xianggui, CUI Hutao. Navigation and Orbit Determination Performance Analysis of the Russian Space System “NEBOSVOD” for Monitoring Near Earth Objects[J]. Journal of Deep Space Exploration. doi: 10.15982/j.issn.2096-9287.2022.20220045
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