Layout Analysis and Efficiency Evaluation of Space-Based DRO Monitoring System for Near-Earth Asteroids

ZHANG Wei1, LI RUNDAO2, SHI Xiaolian1, WU Di2, YUAN Yuan1, WANG Wei1

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Journal of Deep Space Exploration ›› 2024, Vol. 11 ›› Issue (2) : 184-194. DOI: 10.15982/j.issn.2096-9287.2024.20230087

Layout Analysis and Efficiency Evaluation of Space-Based DRO Monitoring System for Near-Earth Asteroids

  • ZHANG Wei1, LI RUNDAO2, SHI Xiaolian1, WU Di2, YUAN Yuan1, WANG Wei1
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Abstract

To address such the problems as the limitation of the invisible zone of the ground-based monitoring system for near-Earth asteroids and the insufficient discovery and cataloguing capabilities of the monitoring system,a solution of a space-based distant retrograde orbit 4-satellite monitoring system was proposed.Then,the space-based monitoring system's to solve the problems mentioned above was quantified and analyzed,and a cosrreponding model for evaluating the efficiency of the system was set up. A process for the implementation of the corresponding evaluation software was given and an integration of the scoring of various elements was completed in accordance with the visible and infrared spectrum. By analyzing and evaluating,the efficiency of the distant retrograde orbit monitoring layout in compensating for the full-time visibility of the invisible zone of the ground-based monitoring system was verified,as well as the enhancement of the capability of target discovery and cataloguing. This research could provide design reference for subsequent construction of space-based monitoring system.

Keywords

near-Earth asteroid / space-based monitoring / DRO / system layout / invisible zone compensation / efficiency evaluation

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ZHANG Wei, LI RUNDAO, SHI Xiaolian, WU Di, YUAN Yuan, WANG Wei. Layout Analysis and Efficiency Evaluation of Space-Based DRO Monitoring System for Near-Earth Asteroids. Journal of Deep Space Exploration, 2024, 11(2): 184‒194 https://doi.org/10.15982/j.issn.2096-9287.2024.20230087

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