Success
Traffic VDES A & B
Technology
ExPace(EP)Commercial
Kuaizhou 1A
LEOorbit
Two technology demonstration satellites for satellite transmissions of signals for the VHF Data Exchange System (VDES), a successor to the current Automatic Identification System (AIS) on ships and maritime vessels for traffic management at sea with higher bandwidth on new frequencies for secure communications and e-navigation. This project is a joint effort by the China Ministry of Transport's China Transport Telecommunications Information Center and SpaceSail, operator of the Qianfan/G60 constellation.
Friday, December 5, 2025 at 9:00 AM
Mission details
Orbital Attempt
#7,140
EP Mission
#31
Pad Launch
#63
Location Launch
#268
Designator
2025-284
Launch Window
NET
Dec 5, 2025, 9:00 AM
Precision
Minute
Schedule Changes
1 update
Kuaizhou 1A Specs
Kuaizhou is a family of Chinese "quick-reaction" orbital launch vehicles. Flying since 2013, Kuaizhou 1 and 1A consist of three solid-fueled rocket stages, with a liquid-fueled fourth stage as part of the satellite system.
Length
19.4 m
Diameter
1.4 m
Launch Mass
30 t
LEO Capacity
300 kg
SSO Capacity
250 kg
Reusable
No
Maiden Flight
2017
Fastest Turnaround
5h 56m
Total Launches
31
Successful
28
Failed
3
Consecutive Success
2
Maiden flight: Jan 9, 2017
ExPace
ExPace is a Chinese space rocket company based in Wuhan, Hubei, China. It is a wholly owned subsidiary of missileer China Aerospace Science and Industry Corporation (CASIC), a Chinese state-owned company, and serves as its commercial rocket division. ExPace is focused on small satellite launchers to low Earth orbit.
Founded
2016
Administrator
CEO: Zhang Di
Total Launches
33
Successful
29
Failed
4
Pending
0
Consecutive Success
4
Jiuquan Satellite Launch Center, People's Republic of China
Jiuquan Satellite Launch Center is a Chinese spaceport located between the Ejin, Alxa, Inner Mongolia and Hangtian Town, Jinta County, Jiuquan, Gansu Province. It is part of the Dongfeng Aerospace City (Base 10).
Timezone
Asia/Shanghai
Local Launch Time
Dec 5, 2025, 5:00 PM
Total Launches
286
Total Landings
2
Coordinates
40.9581, 100.2911