Hayabusa2's next asteroid isn't much bigger than the probe
Hayabusa2's next target, asteroid 1998 KY26, is about 11 meters wide and rotates every five minutes, increasing mission difficulty and planning challenges.
Scientists Find Evidence of Flowing Water on Giant Asteroid
Ryugu once hosted liquid water far later in solar system history than previously thought, implying asteroids retained water longer and could have delivered Earth's water.