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The United States Space Surveillance Network (SSN) detects, tracks, catalogs and identifies artificial objects orbiting Earth, e.g. active/inactive satellites, spent rocket bodies, or fragmentation debris. The system is the responsibility of United States Space Command and operated by the United States Space Force and its functions are:
Pollution. Space debris (also known as space junk, space pollution, [1] space waste, space trash, space garbage, or cosmic debris [2]) 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 launch vehicle stages ...
2024: On 8 March 2024, a cylindrical metal object weighing nearly 2 pounds (0.91 kg) struck a house in Naples, Florida causing damage to property. [48] [49] The object was a piece of EP9 battery pallet jettisoned from ISS in 2021 and survived reentry when its orbit decayed.
A record stay in earth’s orbit and a fine to Dish Network might have space debris in common. Space junk is causing problems — and experts think it’s just the start. Why it matters
Kessler syndrome. Space debris populations seen from outside geosynchronous orbit (GSO). There are two primary debris fields: the ring of objects in GSO and the cloud of objects in low Earth orbit (LEO). The Kessler syndrome (also called the Kessler effect, [ 1][ 2] collisional cascading, or ablation cascade ), proposed by NASA scientists ...
There were 190 known satellite breakups between 1961 and 2006. [ 2] By 2015, the total had grown to 250 on-orbit fragmentation events. [ 3] As of 2012 there were an estimated 500,000 pieces of debris in orbit, [ 4] with 300,000 pieces below 2000 km ( LEO ). [ 1] Of the total, about 20,000 are tracked. [ 1]
This article lists verifiable spaceflight-related accidents and incidents resulting in human death or serious injury. These include incidents during flight or training for crewed space missions and testing, assembly, preparation, or flight of crewed and robotic spacecraft. Not included are accidents or incidents associated with intercontinental ...
The Space Surveillance Telescope ( SST) is a Southern Hemisphere-based U.S. Space Force telescope used for detecting, tracking, and cataloguing satellites, near-Earth objects, and space debris. [1] In 2011, SST achieved first light at the White Sands Missile Range, New Mexico, United States. In 2017, the SST was dismantled and moved to the ...