Tiangong Space Station
Operator: China · Also known as: Tiangong, 天和
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About This Satellite
Tiangong is China's modular space station, assembled in low Earth orbit from 2021 onward. Built around the Tianhe core module, it supports long-duration taikonaut expeditions, scientific experiments, and resupply flights at an altitude of roughly 380-400 km.
Source: Wikipedia — Tiangong space station (CC BY-SA 4.0)
Tiangong Space Station is a cataloged satellite tracked under NORAD ID 48274 with international designator 21035A. According to the GCAT master catalog, it was built by CAST, on the Tianhe platform, with a launch mass of about 21500 kg, with a shape described as Step Cyl + 2 Pan. It is associated with CN. According to the TLE snapshot used when this page was generated (2026-08-18), its LEO orbit had an apogee of about 399 km and a perigee near 396 km, with an inclination of 41.47° and a period of roughly 92.4 minutes; at apogee its speed was about 7.67 km/s. It was launched on 2021-04-21. Alternative names include Tiangong, 天和. Positions on this page are near-real-time SGP4 predictions propagated from the latest two-line element (TLE) data.
In the TLE snapshot used to generate this page, Tiangong Space Station's apogee was 399 km, where its speed was about 7.67 km/s, completing about 15.6 orbits of Earth per day. Track it live on the map above or in the JOT orbital map.