(29075) 1950 DA
Most hazardous risk–listed near-Earth asteroid
(29075) 1950 DA
(29075) 1950 DA is a risk-listed asteroid, classified as a near-Earth object and potentially hazardous asteroid of the Apollo group, approximately 1.3 kilometers (0.81 miles) in diameter. It once had the highest known probability of impacting Earth. In 2002, it had the highest Palermo scale rating with a value of 0.17 and a probability of 1 in 306 (0.33%) for a possible collision in 2880. Since that time, the estimated risk has been updated several times. In December 2015, the odds of an Earth impact were revised to 1 in 8,300 (0.012%) with a Palermo scale rating of −1.42. As of October 2025, it is listed on the Sentry Risk Table with the highest cumulative Palermo scale rating of −0.98. 1950 DA is not assigned a Torino scale rating, because the 2880 date is over 100 years in the future. As of 21 October 2026, the odds of an Earth impact are 1 in 3,000 (0.033%).
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