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Collision Risk Posed to the Global Positioning System by Disposal Orbit Instability

机译:处置轨道不稳性给全球定位系统带来的碰撞风险

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摘要

Recent studies show that disposal orbits used by the global positioning system can be unstable, resulting in penetration of the operational constellation by the disposal orbit perigees. The purpose of this study was to obtain a preliminary understanding of the associated collision risk between disposed and operating vehicles. Collision risk was determined via direct statistical simulation, which involves determination of conjunction miss distance distributions. Study results include time histories of constellation penetration by disposal orbit perigees and an estimate of collision risk growth over 180 years.
机译:最近的研究表明,全球定位系统使用的处置轨道可能不稳定,导致处置星座的边缘侵入操作星座。这项研究的目的是对已处置和运营中的车辆之间的相关碰撞风险有一个初步的了解。碰撞风险是通过直接统计模拟确定的,该模拟涉及确定并发错过距离分布。研究结果包括星座轨道被抛弃的轨道蠕虫穿透的时间历史以及对180年内碰撞风险增长的估计。

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