On June 2, 2018, at 04:13 the “Long March –2D” (“Changzheng-2D”) rocket-carrier was launched from the Jiuquan Satellite Launch Center in Jiuquan, Gansu Province, the northwest of China. The rocket orbited the “Gaofen-6” Earth observation satellite and the “Luojia-1” experimental Earth-imaging nanosatellite.