The progressive crowding of Earth's orbital shells, primarily low-Earth orbit, by satellites and debris, raising collision risk globally and threatening a shared orbital commons.
中国两个国家关联的低轨宽带卫星项目国网和千帆计划合计部署逾28,000颗卫星，竞争全球频谱资源和互联网市场份额，与星链正面交锋。
完整档案 ›Four operators plan more than 70,000 satellites in the same narrow orbital band, making LEO broadband the most contested frontier in spectrum politics and connectivity geopolitics.
千帆以182颗7个月来首度反超国网约168至190颗；两大星座合计规划超2.8万颗卫星
规避机动持续增加，十年成本达258亿至423亿美元，需95%的废弃合规率以防链式反应