1) Asteroid Apophis
2) Asteroid Pallas
3) Asteroid Bennu
4) Asteroid Ryugu
Explanation:
The Japan Aerospace Exploration Agency (JAXA) announced that its asteroid-exploring unmanned $270-million spacecraft Hayabusa2, a second touchdown operation, landed on Asteroid Ryugu, 300 mn km (185m miles) from Earth, for the second time for its final sample collection which will could shed light on the evolution of the solar system. For the first time, it was landed in February 2019.