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Space debris - Wikipedia
Space debris (also known as space junk, space pollution, space waste, space trash, space garbage, or cosmic debris ) are defunct human-made objects in space – principally in Earth orbit – which no longer serve a useful function. These include derelict spacecraft (nonfunctional spacecraft and abandoned … See more
Space debris began to accumulate in Earth orbit with the launch of the first artificial satellite, Sputnik 1, into orbit in October, 1957. But … See more
Size and numbers
As of January 2019 there were estimated to be over 128 million pieces of debris smaller than 1 cm (0.39 in), and approximately … See moreTo spacecraft
Space junk can be a hazard to active satellites and spacecraft. It has been suggested that See moreAn average of about one tracked object per day has been dropping out of orbit for the past 50 years, averaging almost three objects per day at See more
Dead spacecraft
In 1958, the United States of America launched Vanguard I into a medium Earth orbit (MEO). … See moreThe issue of space debris has been raised as a mitigation challenge for missions around the Moon with the danger of increasing space debris around it.
It is thought that on 4 March 2022, for the first time, human space debris—most likely a spent See moreWikipedia text under CC-BY-SA license NASA, orbital debris
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