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From Wikipedia, the free encyclopedia

Tianlian II
ManufacturerChina Academy of Space Technology (CAST)
Country of originChina
OperatorChina Aerospace Science and Technology Corporation (CASC)
ApplicationsTracking and Data Relay Satellite System
StatusIn service
Maiden launchTianlian II-01
31 March 2019

Tianlian II (Chinese: 天链二号, English: Sky Chain II) is China's second generation geosynchronous orbit tracking and data relay communications satellite series. This satellite system has made remarkable progress in mission planning and system management compared to the Tianlian I relay communications satellite system.[1][2]

Tianlian II satellite

The first satellite of this series is Tianlian II-01 (Chinese: 天链二号01星, COSPAR ID: 2019-017A [3]). It was launched by Long March 3B at Xichang Satellite Launch Center on 31 March 2019, at 15:51 UTC. The mission was the 301st flight of the Long March series as launch vehicles.[1]


Tianlian II-01 is a communications satellite to provide real-time communications between orbiting satellites and ground control stations. The Chinese tracking and data relay satellites were developed by the China Academy of Space Technology (CAST) and it is similar to the American Tracking and Data Relay Satellite System (TDRSS) in concept. The system is designed to support near-real-time communications between orbiting spacecraft and the ground control, and complement the ground-based space tracking and telemetry stations and ships to support future space projects.[3]

See also


  1. ^ a b "中国成功发射"天链二号01星"-中新网". Retrieved 16 November 2020.
  2. ^ "China successfully launches second generation data relay satellite". The Economic Times. Retrieved 16 November 2020.
  3. ^ a b "Display: Tianlian 2-01 2019-017A". NASA. Retrieved 16 November 2020. This article incorporates text from this source, which is in the public domain.
This page was last edited on 14 December 2020, at 07:16
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