Learn about the latest estimates and news on asteroid 2024 YR4 , which has a very low impact probability of 0.001% on 22 December 2032. See how ESA and other agencies are monitoring and studying this near-Earth object. Learn about 2024 YR4 , a near-Earth asteroid that was once thought to have a small chance of hitting Earth in 2032, but is now considered safe. Find out its size, orbit, impact probability, and how NASA monitors and studies it. Asteroid 2024 YR4 poses a potential risk to the Moon, with a 1.7% chance of collision despite Earth now being safe. If it impacts, it could form a large crater and create meteoroids, affecting ... Asteroid 2024 YR4 was discovered by the ATLAS telescope on December 27, 2024 – right after its close approach to Earth: two days earlier, the asteroid passed at a distance of 830,000 kilometers (about 2.15 times the distance to the Moon) from our planet.