162173 Ryugu

162173 Ryugu is a near-Earth object and a potentially dangerous asteroid of the Apollo group. It is about 1 kilometer (0.6 mi) in diameter and is a dark object.
In June 2018, the Japanese spacecraft, "Hayabusa2", arrived at the asteroid. After making measurements and taking samples, "Hayabusa2" left Ryugu for Earth in November 2019 and returned to Earth on 5 December 2020.