NAOC Open IR
空间物体椭圆轨道假设下碰撞通量计算与分析
周威萍; 沈鸣; 高鹏骐; 郭效忠; 赵有
2017
Source Publication宇航学报
ISSN1000-1328
Volume038Issue:011Pages:1234
Abstract利用陈氏模型,不依赖于气体动理论和泊松统计假设,对近地空间物体环境中环绕飞行航天器碰撞通量的计算问题进行了研究。分析运行在椭圆轨道上的空间物体通过指定区域的4种情况,推导得到碰撞通量关于物体穿越统计区域所用时间的表达式。文章亦对圆轨道和椭圆轨道假设作了比较,并以铱星86为例,讨论了两种假设情况下空间物体对它的碰撞通量。结果显示,随着统计区域厚度的增加,椭圆轨道假设下的碰撞通量从约为圆轨道假设的4倍减小到1.4倍;圆轨道假设下,计入统计的空间物体数量随着统计区域的厚度变化产生的波动较大,椭圆轨道假设下的统计目标数量在区域厚度取5km时可达圆轨道的60倍。
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/38187
Collection中国科学院国家天文台
Affiliation中国科学院国家天文台
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
周威萍,沈鸣,高鹏骐,等. 空间物体椭圆轨道假设下碰撞通量计算与分析[J]. 宇航学报,2017,038(011):1234.
APA 周威萍,沈鸣,高鹏骐,郭效忠,&赵有.(2017).空间物体椭圆轨道假设下碰撞通量计算与分析.宇航学报,038(011),1234.
MLA 周威萍,et al."空间物体椭圆轨道假设下碰撞通量计算与分析".宇航学报 038.011(2017):1234.
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