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April 17, 2021 07:34 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/1-MdWrh0k9A/how-oneweb-spacex-satellites-dodged-a-potential-collision-in-orbit
How OneWeb, SpaceX Satellites Dodged a Potential Collision in Orbit
"Two satellites from the fast-growing constellations of OneWeb and SpaceX's Starlink dodged a dangerously close approach with one another in orbit," reports The Verge, citing representatives from both OneWeb and the U.S. Space Force.On March 30th, five days after OneWeb launched its latest batch of 36 satellites from Russia, the company received several "red alerts" from the US Space Force's 18th Space Control Squadron warning of a possible collision with a Starlink satellite. Because OneWeb's constellation operates in higher orbits around Earth, the company's satellites must pass through SpaceX's mesh of Starlink satellites, which orbit at an altitude of roughly 550 km. One Space Force alert indicated a collision probability of 1.3 percent, with the two satellites coming as close as 190 feet — a dangerously close proximity for satellites in orbit. If satellites collide in orbit, it could cause a cascading disaster that could generate hundreds of pieces of debris and send them on crash courses with other satellites nearby... Space Force's urgent alerts sent OneWeb engineers scrambling to email SpaceX's Starlink team to coordinate maneuvers that would put the two satellites at safer distances from one another. While coordinating with OneWeb, SpaceX disabled its automated AI-powered collision avoidance system to allow OneWeb to steer its satellite out of the way, according to OneWeb's government affairs chief Chris McLaughlin... SpaceX's automated system for avoiding satellite collisions has sparked controversy, raising concerns from other satellite operators who say they have no way of knowing which way the system will move a Starlink satellite in the event of a close approach.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/1-MdWrh0k9A/how-oneweb-spacex-satellites-dodged-a-potential-collision-in-orbit
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