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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

TJSW-12

Launched

December 20, 2024 · 15:12 UTC

Launch Successful
CZ-3B TJSW-12

Image: 央视新闻

Summary

TJSW-12 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 December 20, 2024 at 15:12 UTC. The launch window ran from 15:03 to 16:01 UTC. It was China Aerospace Science and Technology Corporation's 501st launch, 49th this year and humanity's 6,840th orbital launch attempt. It was the 62nd Long March 3B/E flight and the 7th this year. The payload was bound for Geostationary Transfer Orbit (GTO). Tongxin Jishu Shiyan 12, one of 2 catalogued objects, reached a 208 × 35,790 km orbit inclined 28.5°. 2 objects from this launch are catalogued, one of them a payload.

Booster
No booster details on record.
Mission
Government/Top Secret · Geostationary Transfer Orbit (GTO)
Milestone
62nd Long March 3B/E flight · 7th this yearChina Aerospace Science and Technology Corporation's 501st launch49th this yearhumanity's 6,840th orbital launch attempt251st orbital launch attempt this year

Flight preview

Orbit: as tracked

28.5°Inclination
208 × 35790 kmPerigee × apogeefrom mean elements
631.0 minPeriodfrom mean elements
315.0°Ascending node
664 d agoElement epoch2024-12-20 18:00 UTC · stale

Tongxin Jishu Shiyan 12 · NORAD 62374 · 2024-246 · Space-Track · tracking 1 of 2 objects

Show the numbers for orbit elements
Object
TBA - TO BE ASSIGNED
Object ID
2024-246A
Epoch
2024-12-20 18:00:00 UTC
Mean motion
2.28202511 rev/day
Eccentricity
0.7300382
Inclination
28.461°
Ascending node
314.957°
Arg. of perigee
179.687°
Mean anomaly
82.528°
Element set
999
Rev at epoch
0
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

2 catalogued: 1 payload, 1 rocket stage; 2 still in orbit

  • Tongxin Jishu Shiyan 12 · NORAD 62374 · in orbit

CZ-3B Y99 Stage 3 · in orbit

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

Map of Launch Complex 2 (LC-2)

Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China

114th launch from Launch Complex 2 (LC-2), 7th this year · 217th from Xichang Satellite Launch Center, People's Republic of China

Local pad time at liftoff: Dec 20, 11:12 PM GMT+8, at night

126 launches from this pad · 242 from Xichang Satellite Launch Center, People's Republic of China

71 days after the previous launch from this pad

Updates

Launch success.

Show 1 earlier update
  • Added launch per NOTAMs; Payload and launch vehicle identities highly uncertain.

    Cosmic_Penguin · 12/17/2024 · source

Questions

When did TJSW-12 launch?

TJSW-12 launched on December 20, 2024 at 15:12 UTC. The launch window ran from 15:03 to 16:01 UTC.

Where can I watch TJSW-12?

Coverage: Long March-3B launches TJSW-12. Watch the replay

What rocket launched TJSW-12?

Long March 3B/E, flown by China Aerospace Science and Technology Corporation. Long March 3B/E spec sheet

Where did TJSW-12 launch from?

Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China. Liftoff was Dec 20, 11:12 PM GMT+8 local time at the pad.

What orbit did TJSW-12 reach?

Tongxin Jishu Shiyan 12, one of 2 catalogued objects, reached a 208 × 35,790 km orbit inclined 28.5°.

How many satellites did TJSW-12 launch?

1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).