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China Aerospace Science and Technology CorporationLong March 4BLaunch Area 94 (SLS-2 / 603), Jiuquan Satellite Launch Center, People's Republic of China

Long March 4B | Shijian 26

Countdown

No countdown — this launch time is not yet known to the minute.

May 29, 2025 · 04:12 UTCAdd to calendar

Launch Successful

Image: CASC

China Aerospace Science and Technology Corporation's 526th launch · 25th this year · humanity's 6,968th orbital launch attempt

The launch vehicle successfully inserted its payload(s) into the target orbit(s).

Window: May 29, 04:03 – May 29, 04:32 UTC

Flight preview

Shijian 26

Chinese experimental satellite claimed to be for "Earth observation & environmental management" purposes, details not known.

Government/Top Secret · Sun-Synchronous Orbit (SSO)

Booster

No booster details available.

Watch

No webcast announced yet.

Updates

  • Launch success.

    Cosmic_Penguin · 5/29/2025 · source

  • Added launch per NOTAMs; Payload and launch vehicle identities uncertain.

    Cosmic_Penguin · 5/23/2025 · source

Pad — Launch Area 94 (SLS-2 / 603)

Local pad time: May 29, 12:12 PM GMT+8

137 launches from this pad · 294 from Jiuquan Satellite Launch Center, People's Republic of China

Map of Launch Area 94 (SLS-2 / 603)Open in maps