Earth safe from ‘city-killer’ asteroid 2024 YR4 ‘That’s impact probability zero folks!’ The chances of asteroid 2024 YR4 hitting our planet are now zero. Last week, it was the riskiest asteroid to hit our planet since records began. Astrobitica February 24, 2025 (Last updated: February 24, 2025) 1 minute read The chances of asteroid 2024 YR4 hitting our planet are now zero. Last week, it was the riskiest asteroid to hit our planet since records began. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: Gilmour Space announces mid-March target for first Eris launchNext: SpaceX delays launch from Cape Canaveral