NASA空间碎片模型

NASA'S SPACE DEBRIS MODELS

介绍ＮＡＳＡ为预示空间碎片环境未来发展趋势所建立的空间模型（包括通用模型和专用模型）及其适用范围。通用模型包括ＯＲＤＥＭ９６、ＢＵＭＰＥＲＩＩ、ＥＶＯＬＶＥ、ＣＨＡＩＮ和ＤＡＳ；专用模型包括ＮＡＳＡ碎片模型、弹道限制方程和轨道计算模型等。这些模型不仅可用于评估当前的碎片环境，而且还可评估载人与无人航天器在轨运行时的碎片碰撞风险。

This paper describes the NASA's space debris models and their application ranges, which have debris environment by Johnson Space Center, including the general models, such as ORDEM96、BUMPER II、EVOLVE、CHAIN and DAS;and the special purpose models, such as NASA fragmentation models, ballistic limit equations, orbit propagators and size estimation models(SEMS).These mode can be used to assess not only current debris environment, but debris collision risks during orbiting operation of manned and unmanned spacecraft.