천련중계위성

Also known as Tian Lian 1

Tianlian (Simplified Chinese: 天链, Traditional Chinese: 天鏈, English: Sky Link) also known as CTDRS, is a Chinese data relay communication satellite constellation. The constellation serves to relay data from ground stations to spacecraft and rockets, most significantly China's crewed spaceflight program. The system currently consists of ten satellites in two generations, with the first satellite being launched in 2008.

Key facts

Spacecraft class.name: Tianlian
Spacecraft class.country: China
Spacecraft class.bus: DFH-3 - first generation DFH-4 - second generation
Spacecraft class.applications: Tracking and Data Relay Satellite System
Spacecraft class.orbits: Geostationary
Spacecraft class.operator: China Aerospace Science and Technology Corporation (CASC)
Spacecraft class.manufacturer: China Academy of Space Technology (CAST)
Spacecraft class.status: In service
Spacecraft class.launched: 10
Spacecraft class.operational: 7
Spacecraft class.first: Tianlian I-0125 April 2008
Spacecraft class.last