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37,000 near-Earth objects of which roughly 1,900 near-Earth asteroids are listed on the risk table. Only around 21 objects on the risk table are large enough to qualify as potentially hazardous objects with a diameter greater than 140 meters (absolute magnitude brighter than 22). About 99% of the objects on the risk table are less than roughly 140 meters in diameter. Roughly 1400 of these risk-listed near-Earth asteroids are estimated to be about the size of

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