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Less than ten thousand years old, and with a diameter of 100 m (330 ft) or more. The EID lists fewer than ten such craters, and the largest in the last 100,000 years (100 ka) is the 4.5 km (2.8 mi) Rio Cuarto crater in Argentina. [2]
The Kamchatka superbolide is estimated to have had a mass of roughly 1600 tons, and a diameter of 9 to 14 meters depending on its density, making it the third largest asteroid to impact Earth since 1900, after the Chelyabinsk meteor and the Tunguska event. The fireball exploded in an airburst 25.6 kilometres (15.9 mi) above Earth's surface.
“For asteroids larger than 30 metres (98.4 feet) in size, 2024 YR4 now holds the record for the highest impact probability reached, and the longest time spent with an impact probability greater ...
This is a list of asteroids that have impacted Earth after discovery and orbit calculation that predicted the impact in advance. As of December 2024 [update] , all of the asteroids with predicted impacts were under 5 m (16 ft) in size that were discovered just hours before impact, and burned up in the atmosphere as meteors .
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 ...
It’s only recently that we became aware of 2024 YR4 at all. The rock was discovered on Dec. 27, 2024, by the NASA-funded Asteroid Terrestrial-Impact Last Alert System (ATLAS) telescope in Chile ...
Currently, no impacts are predicted (the single highest probability impact currently listed is ~7 m asteroid 2010 RF 12, which is due to pass Earth in September 2095 with only a 10% predicted chance of impacting; its size is also small enough that any damage from an impact would be minimal).
A large asteroid is headed towards Earth – and could collide with us in just a few years. Known as Asteroid 2024 YR4, the nearly 200-foot space rock could hit just before Christmas of 2032 ...