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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.
"The deflection of Apophis by a small asteroid onto a collision course with Earth in 2029 – in addition to being extremely unlikely – will most likely be quickly eliminated as a possibility by ...
The asteroid YR4's chances of impact now surpass the odds that Apophis once had of colliding with Earth when it was first discovered in 2004. Fortunately, the 130 to 300-foot asteroid is much ...
Asteroid 2024 YR4’s rating of 3 on the Torino Scale is the second-highest an asteroid has ever reached after the Apophis briefly hit a rating of 4. The risk of Apophis impacting Earth during its ...
Asteroid designation 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 ...
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.
A menacing asteroid named Apophis is projected to have a close encounter with Earth in 2029, but scientists have long ruled it out as an impact risk. Asteroids safely fly by Earth all the time ...
The only time an asteroid of similar or larger size has been classified higher on the Torino scale was in 2004, when the asteroid Apophis was briefly ranked as a Level 4, with an estimated 2.7% ...