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The China Aerospace Science and Technology Corporation (CASC) is the main contractor for the Chinese space program. It is state-owned and has a number of subordinate entities which design, develop and manufacture a range of spacecraft, launch vehicles, strategic and tactical missile systems, and ground equipment. It was officially established in July 1999 as part of a Chinese government reform drive, having previously been one part of the former China Aerospace Corporation. Various incarnations of the program date back to 1956.
Tianlian is a Chinese data tracking and relay communications geostationary satellite series. The TL 2 (Tian Lian 2) satellites represent the second generation of this relay satellite network, and is based on the DFH-4 Bus, a three-axis-stabilized telecommunications satellite platform. TL 2 will be used to support real-time communications between orbiting satellites and ground control stations. This system will replace the current network of ground-based space tracking and telemetry stations and space tracking ships.
Height 56.30 Meters
Max Stages 3
Mass To GTO 5500 kg
Liftoff Thrust 5924 kN
Diameter 3.35 Meters
Mass To LEO 12000 kg
Liftoff Mass 456 Tonnes
Launch Success 66
Consecutive Success 44
Maiden Flight 2007-05-13
Launch Failures 1
2025-03-26T22:20:56+0000
SpaceNews
2025-03-24T22:19:44+0000
NASASpaceflight