空间域感知
Space domain awareness is the study and monitoring of satellites orbiting the Earth. It involves the detection, tracking, cataloging and identification of artificial objects, i.e. active/inactive satellites, spent rocket bodies, or fragmentation debris.
空间域感知是对绕地球运行的卫星的研究和监测。 它涉及人造物体的检测、跟踪、编目和识别，即活动/非活动卫星、废火箭体或碎片。
Space domain awareness accomplishes the following:
空间域感知可实现以下目标：
Predicting when and where a decaying space object will re-enter the Earth's atmosphere;
预测腐烂的空间物体何时何地重新进入地球大气层；
Preventing a returning space object, which to radar looks like a missile, from triggering a false alarm in missile-attack warning sensors;
防止返回的太空物体（雷达看起来像导弹）触发导弹攻击警告传感器的误报；
Charting the present position of space objects and plot their anticipated orbital paths;
绘制空间物体的当前位置并绘制其预期轨道；
Detecting new man-made objects in space;
探测太空中新的人造物体；
Producing a running catalogue of man-made space objects;
编制人造空间物体的运行目录；
Determining which country owns a re-entering space object;
确定哪个国家拥有重返空间物体；
Informing countries whether or not objects may interfere with satellites and International Space Station orbits;
通知各国物体是否可能干扰卫星和国际空间站轨道；
Providing data for future anti-satellite weapons systems.
为未来的反卫星武器系统提供数据。
https://en.wikipedia.org/wiki/Space_domain_awareness