Asteroid 2023 BU will flyby Earth on Jan. 26, 2023. The space rock's closest approach will be ~3,506 km (~2,178 mi) away. It is estimated to be about 3.8 - 8.5 meters in diameter (12 - 28 feet). Credit: Space.com | orbit animation: NASA/JPL-Caltech | edited by [Steve Spaleta](https://twitter.com/stevespaleta)