Tiangong Space Station The Tiangong Space Station (Translation: Heavenly Palace) is a Chinese space station(CSS) that is expected to be operational by 2022 after all the modules are delivered and assembled in the proposed low earth orbit of 340-450 km above the surface of Earth. It'll be roughly one-fifth the mass of the International Space Station and 20 meters in length. The Tiangong is expected to have a mass between 80 and 100 t (180,000 and 220,000 lb). Its operations will be controlled by the Beijing Aerospace Command and Control Center in China. The core module, the Tianhe (Harmony of the Heavens) was launched on 29 April 2021 via a Long March 5B heavy-lift rocket. Tianhe - The core module Wentian - 1st Lab Cabin Module (LCM) Meng tian - 2nd Lab Cabin Module (LCM) The Wentian and Mengtian modules are scheduled to be launched in May-June of 2022. The Launch The Modular Space Station Core Module; Tianhe was launched on 29 April 2021 via a Long March 5B heavy-lif