Japan’s Hayabusa2 is heading to the smallest asteroid ever visited by a space mission Hayabusa2's new target, asteroid 1998 KY26, is just 36 feet (11 meters) across, which will make landing on it challenging. Astrobitica September 18, 2025 (Last updated: September 18, 2025) 1 minute read Hayabusa2’s new target, asteroid 1998 KY26, is just 36 feet (11 meters) across, which will make landing on it challenging. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: Educating customers may be half the battle for nascent hyperspectral sectorNext: Shape-shifting collisions offer new tool for studying early matter produced in Big Bang’s aftermath