Image: CASC

Long March 5 | TJSW-23

Name: Long March 5 | TJSW-23
Start: 2025-12-20T12:30:00.000Z
Location: 101, Wenchang Space Launch Site, People's Republic of China

China Aerospace Science and Technology Corporation · Long March 5 · 101, Wenchang Space Launch Site, People's Republic of China

China Aerospace Science and Technology Corporation's 565th launch · 64th this year · humanity's 7,162nd orbital launch attempt

T− --:--:--December 20, 2025 · 12:30 UTCAdd to calendar

Success

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

Window: Dec 20, 12:22 – Dec 20, 13:40 UTC

Flight preview

Chinese classified satellite claimed to be for communication technology test purposes. Actual mission not known.

Government/Top Secret · Geostationary Transfer Orbit (GTO)

No booster details available.

Launch success.
Cosmic_Penguin · 12/20/2025 · source
Liftoff.
Cosmic_Penguin · 12/20/2025 · source
Refined launch window per new NOTAMs.
Cosmic_Penguin · 12/18/2025 · source
Added launch per NOTAMs; Payload identity highly uncertain.
Cosmic_Penguin · 12/15/2025 · source

Local pad time: Dec 20, 8:30 PM GMT+8

18 launches from this pad · 68 from Wenchang Space Launch Site, People's Republic of China