For the First Time Ever… an Asteroid Reached Torino Scale Level 3
Asteroid 2024 YR4 briefly became the first real test of Earth’s planetary-defense system when early data placed it at Torino Scale Level 3 — a rating never reached before. Scientists mobilized telescopes worldwide, refined their orbit, and ruled out danger for Earth, although a small chance of a 2032 Moon impact remains. Here’s how this unexpected event tested global readiness.
Credit to : NASA Space News

