Launch report · China Aerospace Science and Technology Corporation
Long March 12 | SatNet LEO Group 25
Long March 12 by China Aerospace Science and Technology Corporation from Commercial LC-2, Wenchang Space Launch Site, People's Republic of China, NET 2026-09-17 00:32 UTC. Outcome: launch successful. Our final pre-flight call was GO at 85% confidence, T-3d 8h - and it was right.
Open live in mission control →LAUNCH FACTS
- VEHICLE
- Long March 12
- PROVIDER
- China Aerospace Science and Technology Corporation
- PAD
- Commercial LC-2
- LOCATION
- Wenchang Space Launch Site, People's Republic of China
- NET
- 2026-09-17 00:32 UTC
- WINDOW
- 2026-09-17 00:25 UTC → 00:54 UTC
- ORBIT
- Low Earth Orbit
- LL2 STATUS
- Launch Successful
MISSION
A batch of 9 Low Earth Orbit communication satellites for the Chinese state owned SatNet constellation operated by the China Satellite Network Group. The constellation will eventually consists of 13000 satellites.
OUTCOME + OUR CALL
Official outcome: Launch successful
Our final pre-flight call was GO at 85% confidence, T-3d 8h - and it was right.
✓ Call matched the outcome
Scoring rule: a launch that reached flight means the countdown proceeded, so a GO or HOLDING call is right and a SCRUB call is a false alarm. Only the last call made before T-0 counts.
CALL TIMELINE (6)
| Logged (UTC) | T-minus | Call | Confidence | Source |
|---|---|---|---|---|
| 2026-09-13 15:47 | T-3d 8h | GO | 85% | grok |
| 2026-09-17 00:32 | T+3m | GO | 75% | grok |
| 2026-09-17 00:50 | T+18m | GO | 85% | grok |
| 2026-09-17 01:07 | T+36m | GO | 75% | grok |
| 2026-09-17 01:25 | T+53m | GO | 85% | grok |
| 2026-09-17 11:34 | T+11h 2m | GO | 95% | grok |
Launch data: Launch Library 2 · Calls: RocketScan (Grok over live X chatter) · Report URL: /launches/long-march-12-satnet-leo-group-25