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Tianlian-1 01, 02, 03, 04, 05 (TL 1A, 1B, 1C, 1D, 1E)

Tianlian-1 01 [CCTV]

The TL 1 (Tian Lian 1) satellite is a geostationary relay satellite based on the DFH-3 Bus (three-axis-stabilized telecommunications satellite platform).

TL 1 are used to support real-time communications between orbiting satellites and ground control stations. This system replaced the earlier network of ground-based space tracking and telemetry stations and space tracking ships.

TL 1 represents the first generation of this new network. Later satellites will be of more advanced larger design.

Tian Lian-1A, launched on 25 April 2008, is positioned at 77 East. The second satellite, Tian Lian-1B was launched on 11 July 2011 and is positioned at 176.77 East. On 25 July 2012 Tian Lian-1C China completed global coverage for its tracking and data relay system. Tian Lian-1D was launched in November 2016. The last satellite, Tian Lian-1E, was launched in July 2021.

Nation: China
Type / Application: Communication
Contractors: CAST
Configuration: DFH-3 Bus
Propulsion: ?
Power: 2 deployable solar arrays, batteries
Lifetime: 8 years
Mass: 2100 kg ?
Orbit: GEO
Satellite COSPAR Date LS Launch Vehicle Remarks
Tianlian-1 01 (TL 1A) 2008-019A 25.04.2008 Xi LC-2 CZ-3C
Tianlian-1 02 (TL 1B) 2011-032A 11.07.2011 Xi LC-2 CZ-3C
Tianlian-1 03 (TL 1C) 2012-040A 25.07.2012 Xi LC-2 CZ-3C
Tianlian-1 04 (TL 1D) 2016-072A 22.11.2016 Xi LC-2 CZ-3C/G2
Tianlian-1 05 (TL 1E) 2021-063A 06.07.2021 Xi LC-2 CZ-3C/G2

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