|Country of origin||People's Republic of China|
|First launch||Tianlian I-01|
25 April 2008
|Last launch||Tianlian I-04|
22 November 2016
Tianlian I (Simplified Chinese: 天链一号, Traditional Chinese: 天鏈一號, English: Sky Chain), also known as Tian Lian 1, TL-1, and CTDRS-1 is a Chinese data tracking and relay communications satellite series. Based on the DFH-3 satellite bus, it will provide communication coverage for manned Shenzhou missions, from Shenzhou 7 onwards. Functionally, it is similar to the United States Tracking and Data Relay Satellite System.
The first satellite of the series, Tianlian I-01, was launched on the maiden flight of the Long March 3C carrier rocket, at 15:35 GMT on 25 April 2008, from LC-2 at the Xichang Satellite Launch Centre. Tianlian I-01 is able to cover around half of the spacecraft's trajectory, compared to around 12 percent which had been covered using tracking stations and a fleet of ships. Tianlian I-02 was launched on 11 July 2011, Tianlian I-03 on 25 July 2012 and Tianlian I-04 on 22 November 2016. The satellites are in geostationary orbit.
- Tianlian I-01
- Tianlian I-02
- Tianlian I-03
- Tianlian I-04
|Spacecraft type||Tianlian I|
|Start of mission|
|Launch date||25 April 2008, 15:35:11UTC|
|Rocket||Chang Zheng 3C|
|Launch site||Xichang LC-2|
|Perigee||35,638 kilometres (22,144 mi)|
|Apogee||35,949 kilometres (22,338 mi)|
|Epoch||23 January 2015, 21:35:31 UTC|
Tianlian I-01 (Simplified Chinese: 天链一号01星, Traditional Chinese: 天鏈一號01星) is the first Tracking and Data Relay Satellite (TDRS) launched by People's Republic of China, and the first satellite of Tianlian I TDRS series. The satellite has multiple roles and will especially serve for China's manned spaceflight. Its first task could be for the Shenzhou 7 communication.
The satellite was launched successfully by the Long March 3C rocket in Xichang Satellite Launch Centre at local time 23:35 April 25, 2008. It was the 105th launch of the Long March Rocket Family. The rocket had 3 stages, 2 roll boosters[clarification needed], a 55 m height; and was liquid-fueled. Its initial weight was ~343 t.[clarification needed]
Its history includes:
- 00:00 April 26, 2008, the Xi'an Satellite Control Centre received the feedback signal, which showed the satellite accurately entered its predesigned orbit.
- 08:25 GMT April 30, 2008, the satellite was announced to be successfully set at E. 77 degrees over the equator.
|Wikinews has related news: Long March 3C rocket launches Tianlian-1 satellite|
- Stephen Clark (2008-04-25). "Chinese data relay spacecraft put into orbit". Spaceflight Now. Retrieved 2008-04-26.
- Yan Liang (2008-04-25). "China blasts off first data relay satellite". Xinhua. Retrieved 2008-04-26.
- Xin Dingding (2012-07-27). "Satellite launch completes network". China Daily. Retrieved 2012-08-17.
- David Todd (2012-07-26). "Chinese data relay satellite TianLian-1C is launched successfully on a Long March 3C". Flightglobal. Retrieved 2012-08-17.
- McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 30 October 2013.
- "CTDRS Satellite details 2008-019A NORAD 32779". N2YO. 23 January 2015. Retrieved 25 January 2015.
- China sets up first space station for spacecraft data relay_English_Xinhua Archived 2008-09-18 at the Wayback Machine
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