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Date & time (UTC) of discovery Discoverer Estimated size Abs. mag. Date & time (UTC) of impact Warning time Location of impact Airburst altitude Energy Method of impact detection Reference 2008 TC 3: 2008-10-06 06:39 Mt. Lemmon Survey: 3.8–4.4 m (12–14 ft) 30.72: 2008-10-07 02:45 20:05: 20.9 N, 31.8 E Nubian Desert in Sudan: 50.0 km (31.1 ...
The most likely scenario is that, by that time, you will be able to say, look, we can prove it's not going to hit Earth, but there is a chance that we cannot eliminate it completely.
2024 YR 4 is an asteroid with an estimated diameter of 40 to 90 metres (130 to 300 ft) that is classified as an Apollo-type (Earth-crossing) near-Earth object.From 27 January to 20 February 2025, it had an impact rating of 3 on the Torino scale, with a maximum estimated probability of 3.1% that it would impact Earth on 22 December 2032.
However, the 2009 discovery of several NEOs approximately 2 to 3 kilometers in diameter (e.g. 2009 CR 2, 2009 HC 82, 2009 KJ, 2009 MS and 2009 OG) demonstrated there were still large objects to be detected. One of the 7,000 buildings damaged by the 2013 Chelyabinsk meteor
An asteroid nearly the size of a football field now has roughly a 0.004% chance of hitting Earth in about eight years, NASA says — with the space agency saying it "no longer poses a significant ...
NASA said last week that there is currently a 2.3% (or 1 in 43) chance that the asteroid, dubbed 2024 YR4, will hit Earth on Dec. 22, 2032. While still tiny, that probability nearly doubled from ...
99942 Apophis (provisional designation 2004 MN 4) is a near-Earth asteroid and a potentially hazardous object, 450 metres (1,480 ft) by 170 metres (560 ft) in size, [3] that caused a brief period of concern in December 2004 when initial observations indicated a probability of 2.7% that it would hit Earth on Friday, April 13, 2029.
A speeding rock about 20m across crashed into the Earth’s atmosphere and exploded over the Russian city of Chelyabinsk on 15 February 2013, releasing more energy than 30 atomic bombs.