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LoadingLong March 5
Long March 5 | TJSW-23
Long March 5 | TJSW-23 launched on Sat, Dec 20, 2025, 12:30 PM UTC — a China Aerospace Science and Technology Corporation mission.
Launch SuccessfulChina Aerospace Science and Technology Corporation
Lifted offNET Dec 2025
NET Sat, Dec 20, 2025, 12:30 PM UTC
Live coverage
Watch the webcast
Mission profile
The flight at a glance
Long March 5Vehicle
China Aerospace Science and Technology CorporationProvider
101Pad
Wenchang Space Launch Site, People's Republic of ChinaLocation
Government/Top SecretMission type
Geostationary Transfer OrbitOrbit
Flight simulation
Ascent to orbit
A representative gravity-turn climb for Long March 5 to Geostationary Transfer Orbit. Illustrative model — not this mission’s live telemetry.
Mission timeT+0:00
Altitude0.0 km
Velocity0.00 km/s
PhaseLiftoff
T+0:00 / 18:00
SimulatedRepresentative Long March 5 ascent profile — illustrative model, not this mission’s live telemetry.
The mission
TJSW-23
Chinese classified satellite claimed to be for communication technology test purposes. Actual mission not known.
Around this launch
Related news
No news linked to this launch yet
As coverage publishes, deduplicated articles about this mission will appear here.
Good to know
Frequently asked
What time does Long March 5 | TJSW-23 launch?
Long March 5 | TJSW-23 is scheduled to lift off Sat, Dec 20, 2025, 12:30 PM UTC.
Where can I watch Long March 5 | TJSW-23?
Watch the official live webcast embedded on this page — it goes live shortly before liftoff.
Who is launching Long March 5 | TJSW-23?
Long March 5 | TJSW-23 is an China Aerospace Science and Technology Corporation mission flying on a Long March 5.
Where does Long March 5 | TJSW-23 launch from?
It lifts off from 101, Wenchang Space Launch Site, People's Republic of China.