2024 YR4 is an asteroid estimated to be 40 to 90 metres (130 to 300 ft) in diameter that is classified as an Apollo-type (Earth-crossing) near-Earth object. As of 18 February 2025, 2024 YR4 was rated as a 3 on the Torino scale, with a 1-in-32 (3.1%) chance of impacting Earth on 22 December 2032.