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China Aerospace Science and Technology CorporationLong March 3B/ELaunch Complex 3 (LC-3/LA-1), Xichang Satellite Launch Center, People's Republic of China
TJSW-15
Launched
March 9, 2025 · 17:17 UTC
Image: China Aerospace Science and Technology Corporation
Summary
TJSW-15 launched on a China Aerospace Science and Technology Corporation Long March 3B/E from Launch Complex 3 (LC-3/LA-1), Xichang Satellite Launch Center, People's Republic of China on March 9, 2025 at 17:17 UTC. The launch window ran from 17:07 to 17:42 UTC. It was China Aerospace Science and Technology Corporation's 509th launch, 8th this year and humanity's 6,895th orbital launch attempt. It was the 66th Long March 3B/E flight and the 4th this year. The payload was bound for Geostationary Transfer Orbit (GTO). Tongxin Jishu Shiyan 15, one of 3 catalogued objects, reached a 185 × 36,119 km orbit inclined 19.0°. 3 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Geostationary Transfer Orbit (GTO)
- Milestone
- 66th Long March 3B/E flight · 4th this yearChina Aerospace Science and Technology Corporation's 509th launch8th this yearhumanity's 6,895th orbital launch attempt46th orbital launch attempt this year
Flight preview
Orbit: as tracked
Tongxin Jishu Shiyan 15 · NORAD 63157 · 2025-045 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2025-046A
- Epoch
- 2025-03-10 03:50:18 UTC
- Mean motion
- 2.26073571 rev/day
- Eccentricity
- 0.7326605
- Inclination
- 19.0179°
- Ascending node
- 64.7965°
- Arg. of perigee
- 179.4639°
- Mean anomaly
- 344.8619°
- Element set
- 999
- Rev at epoch
- 1
- B*
- 0
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
3 catalogued: 1 payload, 1 rocket stage, 1 component; 2 still in orbit
- Tongxin Jishu Shiyan 15 · NORAD 63157 · in orbit
CZ-3B Y102 Stage 3 · re-entered August 8, 2025
Data from J. McDowell, planet4589.org
About this launch
Chinese classified satellite claimed to be for communication technology test purposes. Actual mission not known.
Pad
Launch Complex 3 (LC-3/LA-1), Xichang Satellite Launch Center, People's Republic of China
98th launch from Launch Complex 3 (LC-3/LA-1), 2nd this year · 221st from Xichang Satellite Launch Center, People's Republic of China
Local pad time at liftoff: Mar 10, 1:17 AM GMT+8, at night
108 launches from this pad · 242 from Xichang Satellite Launch Center, People's Republic of China
61 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 · 3/7/2025 · source
Questions
When did TJSW-15 launch?
TJSW-15 launched on March 9, 2025 at 17:17 UTC. The launch window ran from 17:07 to 17:42 UTC.
Where can I watch TJSW-15?
No webcast is on record for this launch.
What rocket launched TJSW-15?
Long March 3B/E, flown by China Aerospace Science and Technology Corporation. Long March 3B/E spec sheet
Where did TJSW-15 launch from?
Launch Complex 3 (LC-3/LA-1), Xichang Satellite Launch Center, People's Republic of China. Liftoff was Mar 10, 1:17 AM GMT+8 local time at the pad.
What orbit did TJSW-15 reach?
Tongxin Jishu Shiyan 15, one of 3 catalogued objects, reached a 185 × 36,119 km orbit inclined 19.0°.
How many satellites did TJSW-15 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).