近地小行星天基光学监测与识别技术研究  

Space Based Surveillance and Characterization of Near Earth Asteroids

作　　者：庄绪霞[1] 阮宁娟[1] 赵思思[1] ZHUANG Xu-xia;RUAN Ning-juan;ZHAO Si-si(Beijing Institute of Space Mechnics & Electricity,Beijing 100094,China)

机构地区：[1]北京空间机电研究所,北京100094

出　　处：《空间碎片研究》2018年第1期7-11,19,共6页Space Debris Research

摘　　要：近地小行星已经对我们赖以生存的地球造成了一定的威胁,开展近地小行星的探测与识别对于威胁告警及开发利用具有重要意义。本文从近地小行星监测与识别的应用需求出发,分析了近地小行星的目标特性,包括轨道特性、几何特性、材料特性、光度特性等。由目标特性引出近地小行星监测与识别的能力需求。接着分析天基光学手段的优势,对国外近地小行星天基光学监测系统进行论述,对比分析不同轨道、不同系统的工作模式、技术特点与能力,凝练天基近地小行星光学监测的关键技术。Near earth asteroid(NEA) is now posing a great threat to the Earth.Detection and characterization of the NEAs is very important for threat warning and resources utilizing.In this paper, the application needs are firstly brought up, and then the characteristics of the NEAs such as orbits, sizes, materials and so on are analyzed to bring up the requirements of surveilliance and characterization.The advantages of space based method are analyzed and space based systems are illustrated.The working modes and technology characteristics and ablity of different satellites are compared and the key technologys are introduced.

关 键 词：近地小行星 天基 探测 识别 

分 类 号：V445.8[航空宇航科学与技术—飞行器设计]