Space debris is defunct artificial objects in space—principally in Earth orbit—which no longer serve a useful function. Space debris (also known as space junk, space pollution, space waste, space trash, or space garbage) is defunct artificial objects in space—principally in. More than 27, pieces of orbital debris, or “space junk,” are tracked by the Department of Defense's global Space Surveillance Network. About space debris Satellites in orbit underpin our modern lives. They are used in many areas and disciplines, including space science, Earth observation. The latest figures related to space debris, provided by ESA's Space Debris Office at ESOC, Darmstadt, Germany. Exactly what is space debris? Many people think this phrase refers to a gigantic hunk of metal about to crash into a major city, but only some. Help. Legend. Satellite; Rocket body; Debris · About. Stuff in Space. Stuff in Space is a realtime 3D map of objects in Earth orbit, visualized using WebGL. The. Space waste encompasses any piece of debris left behind by humans in space and therefore originating on Earth. Space debris can be as large as an inactive. Space Junk. The amount of trash in Earth orbit, from spent rocket stages, broken satellites and micrometeoroids, is growing. Scientists are working on methods. Space junk can impact other objects at over 22, mph, faster than a speeding bullet. Collisions with those tiny pieces often leave pits and.