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China Aerospace Science and Technology CorporationLong March 5101, Wenchang Space Launch Site, People's Republic of China

TJSW-25

Launched

June 11, 2026 · 07:30 UTC

Launch Successful

Image: CASC

Summary

TJSW-25 launched on a China Aerospace Science and Technology Corporation Long March 5 from 101, Wenchang Space Launch Site, People's Republic of China on June 11, 2026 at 07:30 UTC. The launch window ran from 07:22 to 08:40 UTC. It was China Aerospace Science and Technology Corporation's 597th launch, 27th this year and humanity's 7,307th orbital launch attempt. It was the 9th Long March 5 flight and the 1st this year. The payload was bound for Geostationary Transfer Orbit (GTO). Tongxin Jishu Shiyan 25, one of 2 catalogued objects, reached a 228 × 45,762 km orbit inclined 16.5°. 2 objects from this launch are catalogued, one of them a payload.

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Vehicle
Long March 5 · China Aerospace Science and Technology Corporation
Booster
No booster details on record.
Mission
Government/Top Secret · Geostationary Transfer Orbit (GTO)
Milestone
9th Long March 5 flight · 1st this yearChina Aerospace Science and Technology Corporation's 597th launch27th this yearhumanity's 7,307th orbital launch attempt134th orbital launch attempt this year

Flight preview

Orbit: as tracked

16.5°Inclination
228 × 45762 kmPerigee × apogeefrom mean elements
834.7 minPeriodfrom mean elements
30.4°Ascending node
126 d agoElement epoch2026-06-11 11:34 UTC · stale

Tongxin Jishu Shiyan 25 · NORAD 69474 · 2026-129 · Space-Track · tracking 1 of 2 objects

Show the numbers for orbit elements
Object
OBJECT A
Object ID
2026-129A
Epoch
2026-06-11 11:34:08 UTC
Mean motion
1.72519419 rev/day
Eccentricity
0.77528216
Inclination
16.4684°
Ascending node
30.4449°
Arg. of perigee
200.0512°
Mean anomaly
91.6205°
Element set
999
Rev at epoch
7
B*
0.00069882986

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 25 · NORAD 69474 · in orbit

CZ-5 Y11 Stage 2 · 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.

News

1 story

Pad

Map of 101

101, Wenchang Space Launch Site, People's Republic of China

18th launch from 101, 1st this year · 64th from Wenchang Space Launch Site, People's Republic of China

Local pad time at liftoff: Jun 11, 3:30 PM GMT+8, in daylight

18 launches from this pad · 75 from Wenchang Space Launch Site, People's Republic of China

172 days after the previous launch from this pad

All launches from Wenchang Space Launch Site, People's Republic of ChinaOpen in maps

Updates

Launch success.

Cosmic_Penguin · Jun 11, 2026 · source

Show 4 earlier updates

  • Liftoff.

    Cosmic_Penguin · 6/11/2026 · source

  • Delayed to June 11 per new NOTAMs.

    Cosmic_Penguin · 6/8/2026 · source

  • Refined launch window per new NOTAMs.

    Cosmic_Penguin · 6/4/2026 · source

  • Added launch per NOTAMs; Payload identity highly uncertain.

    Cosmic_Penguin · 6/2/2026 · source

Questions

When did TJSW-25 launch?

TJSW-25 launched on June 11, 2026 at 07:30 UTC. The launch window ran from 07:22 to 08:40 UTC.

Where can I watch TJSW-25?

Coverage: Watch Long March 5 Launch TJSW-25 from Wenchang, LIVE!!. Watch the replay

What rocket launched TJSW-25?

Long March 5, flown by China Aerospace Science and Technology Corporation. Long March 5 spec sheet

Where did TJSW-25 launch from?

101, Wenchang Space Launch Site, People's Republic of China. Liftoff was Jun 11, 3:30 PM GMT+8 local time at the pad.

What orbit did TJSW-25 reach?

Tongxin Jishu Shiyan 25, one of 2 catalogued objects, reached a 228 × 45,762 km orbit inclined 16.5°.

How many satellites did TJSW-25 launch?

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