NORAD 48274
Tiangong Space Station (CSS)
About this satellite
Tiangong is China's crewed space station, operated by the China Manned Space Agency. Its core module, Tianhe, launched in April 2021; the station is roughly a quarter of the ISS's mass.
- Operator
- China Manned Space Agency (CMSA)
- Owner
- China
- Purpose
- Crewed research station (this entry tracks the Tianhe core module)
- Launched
- 29 April 2021
- Status
- Operational
- International designator
- 2021-035A
- Altitude
- 384 km to 386 km (perigee to apogee)
- Orbital period
- 92.3 minutes (15.6 orbits a day)
- Inclination
- 41.5°
- Mass
- ≈100,000 kg for the whole station; Tianhe module 22,500 kg
- Size
- Tianhe module 16.6 m long, 4.2 m in diameter
Orbit and catalogue data: CelesTrak SATCAT, updated 2026-10-18.