20 December 2025, 12:30 UTC
TJSW-23

Launched the classified TJSW-23 communications technology test satellite toward geostationary orbit from Wenchang, flying an extended 18.5 m fairing that made it the tallest Chinese rocket configuration flown to date.
- Outcome
- Success
- Orbit
- GTO
- Geostationary transfer orbit
- Payload to orbit
- 10 T (est.)
- Flight
- 8th
- of 9 Long March 5 flights
- Date and time
- 20 December 2025, 12:30 UTC
- Rocket
- Long March 5
- Builder
- CASC
- Launch site
- 101, Wenchang Space Launch Site, People's Republic of China
- Payload
- Government/Top Secret
- International designator
- 2025-306
- Launches in 2025
- 318th of 329
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
View satellites in Space Atlas