Infrared observations from the James Webb Space Telescope refined the orbit of asteroid 2024 YR4, confirming it will safely pass about 21,200 km above the Moon in December 2032. The new data eliminates earlier estimates that suggested a small chance of a lunar impact.​Infrared observations from the James Webb Space Telescope refined the orbit of asteroid 2024 YR4, confirming it will safely pass about 21,200 km above the Moon in December 2032. The new data eliminates earlier estimates that suggested a small chance of a lunar impact.  ​ science