Asteroid 23 BU Time-Lapse Seen Shortly Before Super Close Approach To Earth

Gianluca Masi from the Virtual Telescope Project captured asteroid 2023 BU when it less than 40,000 km (25,854 mi.) away from Earth earlier this year. It’s closest approach to Earth was about 3,600 km (~2,236 mi) away.

Credit: Gianluca Masi / Virtual Telescope Project | edited by Space.com's Steve Spaleta