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China Aerospace Science and Technology CorporationLong March 3B/ELaunch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China
Tianlian 2-05
Launched
April 27, 2025 · 15:54 UTC
Image: China Aerospace Science and Technology Corporation
Summary
Tianlian 2-05 launched on a China Aerospace Science and Technology Corporation Long March 3B/E from Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China on April 27, 2025 at 15:54 UTC. The launch window ran from 15:44 to 16:19 UTC. It was China Aerospace Science and Technology Corporation's 519th launch, 18th this year and humanity's 6,935th orbital launch attempt. It was the 69th Long March 3B/E flight and the 7th this year. The payload was bound for Geostationary Transfer Orbit (GTO). Tian Lian 2-05, one of 2 catalogued objects, reached a 203 × 35,825 km orbit inclined 27.1°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Communications · Geostationary Transfer Orbit (GTO)
- Milestone
- 69th Long March 3B/E flight · 7th this yearChina Aerospace Science and Technology Corporation's 519th launch18th this yearhumanity's 6,935th orbital launch attempt86th orbital launch attempt this year
Flight preview
Orbit: as tracked
Tian Lian 2-05 · NORAD 63662 · 2025-084 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2025-084A
- Epoch
- 2025-04-27 20:43:56 UTC
- Mean motion
- 2.279852 rev/day
- Eccentricity
- 0.7303941
- Inclination
- 27.1486°
- Ascending node
- 91.6061°
- Arg. of perigee
- 179.567°
- Mean anomaly
- 151.925°
- Element set
- 999
- Rev at epoch
- 0
- B*
- 0.015919
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: GTO. Ascent drawn from padside's representative profile.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; 2 still in orbit
- Tian Lian 2-05 · NORAD 63662 · in orbit
CZ-3B Y109 Stage 3 · in orbit
Data from J. McDowell, planet4589.org
About this launch
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.
Pad
Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China
118th launch from Launch Complex 2 (LC-2), 4th this year · 224th from Xichang Satellite Launch Center, People's Republic of China
Local pad time at liftoff: Apr 27, 11:54 PM GMT+8, at night
126 launches from this pad · 242 from Xichang Satellite Launch Center, People's Republic of China
31 days after the previous launch from this pad
All launches from Xichang Satellite Launch Center, People's Republic of ChinaOpen in maps
Updates
Launch success.
Show 1 earlier update
Added launch per NOTAMs; Payload and launch vehicle identities uncertain.
Cosmic_Penguin · 4/23/2025 · source
Questions
When did Tianlian 2-05 launch?
Tianlian 2-05 launched on April 27, 2025 at 15:54 UTC. The launch window ran from 15:44 to 16:19 UTC.
Where can I watch Tianlian 2-05?
No webcast is on record for this launch.
What rocket launched Tianlian 2-05?
Long March 3B/E, flown by China Aerospace Science and Technology Corporation. Long March 3B/E spec sheet
Where did Tianlian 2-05 launch from?
Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China. Liftoff was Apr 27, 11:54 PM GMT+8 local time at the pad.
What orbit did Tianlian 2-05 reach?
Tian Lian 2-05, one of 2 catalogued objects, reached a 203 × 35,825 km orbit inclined 27.1°.
How many satellites did Tianlian 2-05 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).