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On February 10 at approximately 1656 GMT, the Iridium 33 and Cosmos 2251 communications satellites collided over northern Siberia. The impact between the Iridium Satellite LLC-owned satellite and the 16-year-old satellite launched by the Russian government occurred at a closing speed of well over 15,000 mph at approximately 490 miles above the face of the Earth. The low-earth orbit (LEO) location of the collision contains many other active satellites that could be at risk from the resulting orbital debris.[More]