Shiyan 28 B-02
Long March 4C, China Aerospace Science and Technology Corporation
Launch Complex 3 (LC-3/LA-1), Xichang Satellite Launch Center, People's Republic of China
Launch time
Window opens
Sun 17 Aug, 10:55 CEST
08:55 UTC
The rocket put its payload into the planned orbit.
- Window closes
How sure is this date?
The source gives minute precision. Launch plans can change.
Launch record updated by LL2
Feed checkedMission
Shiyan 28 B-02 on Long March 4C. Sun 17 Aug 2025, 08:55 UTC. Reported outcome: Success. Launch site: Launch Complex 3 (LC-3/LA-1). Source: Launch Library 2.
Satellite officially named for "space environment detection" purposes, exact details unknown.
- Mission type
- Government/Top Secret
- Orbit
- Low Earth Orbit
Launch timeline
No timeline has been provided by the source.
Slip history
Changes recorded by Space Right Now
No changes since we started tracking on .
Source updates from Launch Library 2 (2)
Announcements supplied by LL2 may predate our tracking. They are separate from changes observed by Space Right Now.
- LL2 update
Launch success.
Read the source update - LL2 update
Added launch per NOTAMs; Payload and launch vehicle identities uncertain.
Read the source update
Launch pad
Launch Complex 3 (LC-3/LA-1)
Xichang Satellite Launch Center, People's Republic of China (CN)
Coordinates: 28.247059, 102.029008
View launch pad on a map