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TJS 21
completed
Launch 2025-269
Launched 11/21/2025
HEO
Service G
Sat GTO O
Admin Edit
Payloads
Assets deployed on this mission, enriched from spacecraft records.
1 payload
Tongxin Jishu Shiyan 21
active
Technology Demonstration
HEO
Launch Details
Launch Date
11/21/2025
Launch ID
2025-269
Launch Profile
Sat GTO O
Service Type
G
Orbit
HEO
Launch Stack
Operator
China Academy of Launch Vehicle Technology (CALT)
Launch Vehicle
Long March 3B G2
Launch Site
Launch Complex 2, Xichang Space Center (Xichang Space Center (Songlin), Sichuan, China)
Payload Summary
Payload Count
1
Payload Status
active 1
Payload Mission Types
Technology Demonstration 1
Track
Mentions
1
All verified mentions of this mission in source documents.
The Long March 3B successfully sent the TJS-21 experimental communications satellite into orbit.
Plan
Capability
Value 4.0
Nov 21, 2025
A Long March 3B lifted off at 1055 UTC today from Xichang, successfully sending the TJS-21 experimental communications satellite into orbit. Launch 74 for China in 2025. https://mp.weixin.qq.com/s/UiTof3iYlEeEtvMK3P9S8w