Assessing the short-term hazard of spacecraft collision breakup debris

被引：0
|
作者：
Li Y.-Y. [1 ]
Shen H.-R. [1 ]
Li Z. [1 ]
Zhou W.-J. [1 ]
机构：
[1] Academy of Equipment Command and Technology
来源：
Yuhang Xuebao/Journal of Astronautics | 2010年 / 31卷 / 04期
关键词：
Collision breakup; Collision probability; Short-term hazard; Space debris; Spacecraft;
D O I：
10.3873/j.issn.1000-1328.2010.04.047
中图分类号：
学科分类号：
摘要：
The computing flow of collision probability between spacecraft and short-term debris cloud was discussed. Based on the number of debris in cloud, spacecraft cross section and collision probability risk threshold, the method of 'risk region criterion' was presented for quickly determining that whether collision risk of spacecraft and debris cloud is existent or not. Space debris delta-velocity probability density function was deduced by NASA's standard breakup model, and time integral algorithm of collision probability between spacecraft and any debris was built. Due to data quantity quickly rises in computing collision probability between spacecraft and whole debris cloud, the approximate simplified method of 'quasi mean probability' was presented, and computation efficiency is enhanced effectively. Then, effect of objects' orbit error is discussed. Finally, these algorithms are verified by computing and analyzing simulation case.
引用
收藏
页码：1231 / 1236
页数：5
相关论文
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