NEODyS(Near Earth Objects Dynamic Site,近地天体动态网站)是一个位于意大利的跟踪所有近地小行星,包括计算轨道数据和评估撞击威胁的服务。加上NASA喷气推进实验室的近地小行星跟踪项目,这是获得关于近地天体信息的两个主要来源之一。

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