Data checked:
Launch data may be out of date. Schedules can change; confirm details with the launch provider before making plans.
OK!Long March 3C/YZ-1 | Shiyan 29
LAUNCH SUCCESSFUL
> MISSION DATA
DATEFriday, September 5, 2025
TIME02:34 AM UTC
PROVIDERChina Aerospace Science and Technology Corporation
ROCKETLong March 3C/YZ-1
PADLaunch Complex 2 (LC-2)
LOCATIONXichang Satellite Launch Center, People's Republic of China
ORBITGeosynchronous Orbit
> MISSION BRIEFING // GOVERNMENT/TOP SECRET
Satellite officially named for "space environment detection" purposes, exact details unknown.
> SCHEDULE & SOURCE
Source-reported status: Launch Successful. The launch vehicle successfully inserted its payload(s) into the target orbit(s).
Launch window: 2025-09-05 02:26:00 UTC — 2025-09-05 02:53:00 UTC.
Dates and windows may change. Passing the scheduled time does not confirm a launch outcome.
Launch data from The Space Devs
Understand launch windows and orbits · Launch provider guide
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