近地卫星是指轨道在地球表面附近的卫星，计算时轨道半径可近似取地球半径。
本文给出了近地卫星平面内轨道维持的一种方法。
A method for low orbit being maintained in the satellite orbit plane is given in this gaper.
随着近地轨道（LEO）向更多非专业性的卫星开放，它们可能会构成越来越大的威胁。
As LEO opens up to more amateur satellites, they may pose an increasing threat.
报告也承认，广泛部署近地轨道立方体卫星并不是零风险的。
It also acknowledges that widespread deployment of LEO CubeSats isn't risk-free.
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