2024 YR4
When asteroid 2024 YR4 was first discovered, it was thought the asteroid had a very small chance of impacting Earth on Dec. 22, 2032. After more observations, NASA has concluded the object poses no significant impact risk to Earth in 2032 and beyond.
New NASA Asteroid Observations Eliminate Chance of 2032 Lunar Impact
Asteroid 2024 YR4 is a near-Earth asteroid.
Using data from NASA’s James Webb Space Telescope observations collected on Feb. 18 and 26, experts from NASA’s Center for Near-Earth Object Studies have ruled out any chance of 2024 YR4 impacting the Moon on Dec. 22, 2032.
NASA’s Webb Observations Update Asteroid 2024 YR4’s Lunar Impact Odds
The planetary defense community continues to monitor the asteroid.
Experts at NASA’s Center for Near Earth Object Studies have updated 2024 YR4’s chance of impacting the Moon on Dec. 22, 2032, to 4.3% based on data from Webb and ground-based telescopes.
March 26, 2025
Webb Finds Asteroid 2024 YR4 is Building-Sized
Webb telescope imaged the asteroid in infrared light.
Webb images indicate the asteroid is about the size of a 15-story building.
Learn More
