Queqiao-2 relay satellite, is the second communications relay and radio astronomy satellites designed to support the fourth phase the Chinese Lunar Exploration Program, after Queqiao-1 launched in 2018. The China National Space Administration (CNSA) launched the Queqiao-2 relay satellite on 20 March 2024 to an elliptical frozen orbit around the Moon to support communications from the far side of the Moon and the Lunar south pole.