On July 25, 2020 at 03:13 UTC the “Long March – 4B” (“Changzheng-4B”) rocket-carrier was launched from the Taiyuan Satellite Launch Center in north China's Shanxi Province. The rocket orbited the “Ziyuan-3” high-resolution mapping satellite; the “Tianqi-10” communication and data relay satellite and the “Lobster Eye 1” satellite with a wide-field X-ray astronomy instrument.