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[ link to en.wikipedia.org (secure)]
A 2011 report by the U.S. National Research Council warned NASA that the amount of orbiting space debris was at a critical level. According to some computer models, the amount of space debris "has reached a tipping point, with enough currently in orbit to continually collide and create even more debris, raising the risk of spacecraft failures". The report called for international regulations limiting debris and research of disposal methods.[29]
By the late 2010s, plans by multiple providers to deploy large megaconstellations of broadband internet satellites had been licensed by regulatory authorities, with operational satellites entering production by both OneWeb and SpaceX. The first deployments occurred in 2019 with six from OneWeb, followed by 60 227 kg (500 lb) satellites from SpaceX in May, the first satellites for the project Starlink.[30] While the increased satellite density causes concerns, both licensing authorities and the manufacturers are well aware of debris problems. The vendors must have debris-reduction plans, and are taking measures to actively de-orbit unneeded satellites and/or ensure their orbits will decay naturally.
The two main debris fields are the ring of objects in geosynchronous Earth orbit (GEO) and the cloud of objects in low Earth orbit (LEO).
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