ChinaSat 4B
China Aerospace Science and Technology Corporation · Long March 7A
Failure
TBD
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Launch Details
Launch Date
—
Rocket
Long March 7A
Launch Pad
201 — Wenchang Space Launch Site, People's Republic of China
Launch Window
—
Launch date history
No date changes since Orbit started tracking this launch on 27 Sep 2026.
Mission Progress
Current Stage
Liftoff
Main engines ignite and the vehicle clears the tower
4 of 9 stages complete
56%
See the full stage-by-stage timeline with timestamps
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- Announced
Mission confirmed and added to the launch manifest
- Vehicle Integration
Rocket assembled and transported to the launch pad
- Pre-Launch Checks
Fuelling, systems checks, and final go/no-go polling
- Launch Window Open
Countdown active — T-0 within the launch window
- Liftoff
Main engines ignite and the vehicle clears the tower
- Max-Q
Maximum aerodynamic pressure on the vehicle
- MECO / Stage Separation
Main engine cutoff and first stage separates
- Second Stage Ignition
Upper stage engine ignites to continue to orbit
- Orbit Insertion
Payload deployed to target orbit — primary mission success
Launch Provider
China Aerospace Science and Technology Corporation
GovernmentCASCThe China Aerospace Science and Technology Corporation (CASC) is the main contractor for the Chinese space program. It is state-owned and has a number of subordinate entities which design, develop and manufacture a range of spacecraft, launch vehicles, strategic and tactical missile systems, and ground equipment. It was officially established in July 1999 as part of a Chinese government reform drive, having previously been one part of the former China Aerospace Corporation. Various incarnations of the program date back to 1956.
Founded1999
Total launches618
CountryCHN
Rocket & Vehicle
Long March 7A
Long MarchA
Launch Pad
201
Wenchang Space Launch Site, People's Republic of China
Lat 19.618
Lng 110.955
Launches from pad33
Launch Notifications
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