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2024 YR 4 is an asteroid estimated to be 40 to 90 metres (130 to 300 ft) in diameter that is classified as an Apollo-type (Earth-crossing) near-Earth object.As of 17 February 2025, 2024 YR 4 was rated as a 3 on the Torino scale, with a 1-in-45 (2.3%) chance of impacting Earth on 22 December 2032. [7]
The asteroid with the greatest chance of impacting Earth in 2025 is 2009 VA (6-meters in diameter) with less than a 1-day observation arc. [8] It has a 1:48,000 chance of impact on 06 November 2023, but is expected to be around 0.3 AU (45 million km ) from Earth on that date with uncertainty region of ± 900 million km. [ 10 ]
2018 AH, largest asteroid to pass so close to Earth since 1971 on 2018-01-02. A106fgF, a 2–5 m asteroid which either passed extremely close or impacted Earth on 2018-01-22. 2018 RC, near earth asteroid on 2018-09-03 (notable because it was discovered more than a day prior to closest approach on 2018-09-09). [44]
Asteroid 2024 YR4’s rating of 3 on the Torino Scale is the second-highest an asteroid has ever reached after the notorious Apophis briefly hit a rating of 4 many when it was first discovered.
Asteroid 2024 YR4 was originally thought to have a 1 in 83 1.3% chance of colliding with Earth. And while the new numbers may seem striking, there’s still a 97.7% chance the asteroid will miss ...
The yellow dots show the position uncertainty of asteroid 2024 YR4 when it encounters Earth in 2032, based on observations up to January 31, 2025.
The Lincoln Near-Earth Asteroid Research (LINEAR) project is a collaboration of the United States Air Force, NASA, and the Massachusetts Institute of Technology's Lincoln Laboratory for the systematic detection and tracking of near-Earth objects.
The asteroid 2024 YR4 is now rated at Level 3 out of 10 on the Torino Impact Hazard Scale, ... The best modern comparison is the 1908 Tunguska Event, when an asteroid or comet fragment measuring ...