China Aerospace Science and Technology CorporationLong March 3C/ELaunch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China
Tianlian 1-05
Launched
July 6, 2021
Image: CCTV
Summary
Tianlian 1-05 launched on a China Aerospace Science and Technology Corporation Long March 3C/E from Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China on July 6, 2021. It was China Aerospace Science and Technology Corporation's 325th launch, 21st this year and humanity's 6,103rd orbital launch attempt. It was the 2nd Long March 3C/E flight and the 1st this year. The payload was bound for Geostationary Transfer Orbit (GTO). The tracked orbit of Tian Lian 1-05, one of 2 catalogued objects, from July 16, 2021, was 35,791 × 35,796 km inclined 3.0°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- Booster
- No booster details on record.
- Mission
- Communications · Geostationary Transfer Orbit (GTO)
- Milestone
- 2nd Long March 3C/E flight · 1st this yearChina Aerospace Science and Technology Corporation's 325th launch21st this yearhumanity's 6,103rd orbital launch attempt66th orbital launch attempt this year
Flight preview
Orbit: as tracked
Tian Lian 1-05 · NORAD 49011 · 2021-063 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2021-063A
- Epoch
- 2021-07-16 15:02:42 UTC
- Mean motion
- 1.00272458 rev/day
- Eccentricity
- 0.0000585
- Inclination
- 3.0004°
- Ascending node
- 286.8523°
- Arg. of perigee
- 223.5378°
- Mean anomaly
- 20.5931°
- Element set
- 999
- Rev at epoch
- 6
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: GTO.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; 1 still in orbit
- Tian Lian 1-05 · NORAD 49011 · in orbit
CZ-3C Y18 Stage 3 · re-entered May 29, 2022
Data from J. McDowell, planet4589.org
About this launch
Tianlian 1, 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.
Pad

Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China
92nd launch from Launch Complex 2 (LC-2), 3rd this year · 157th from Xichang Satellite Launch Center, People's Republic of China
126 launches from this pad · 242 from Xichang Satellite Launch Center, People's Republic of China
33 days after the previous launch from this pad
All launches from Xichang Satellite Launch Center, People's Republic of ChinaOpen in maps
Updates
Questions
When did Tianlian 1-05 launch?
Tianlian 1-05 launched on July 6, 2021. The time is known to the hour, not the minute.
Where can I watch Tianlian 1-05?
Coverage: Long March-3C launches TianLian-1 05. Watch the replay
What rocket launched Tianlian 1-05?
Long March 3C/E, flown by China Aerospace Science and Technology Corporation. Long March 3C/E spec sheet
Where did Tianlian 1-05 launch from?
Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China.
What orbit did Tianlian 1-05 reach?
The tracked orbit of Tian Lian 1-05, one of 2 catalogued objects, from July 16, 2021, was 35,791 × 35,796 km inclined 3.0°.
How many satellites did Tianlian 1-05 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
