Traffic VDES A & B

Success ExPace, Kuaizhou 1A

Mission

Technology · LEO

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…

What it put in orbit

ObjectTypeOrbitGlobe
OBJECT A 2025-284A Payload 899 × 907 km · 80.4° Globe
OBJECT B 2025-284B Payload 898 × 908 km · 80.4° Globe

COSPAR ID 2025-284 (data from GCAT, J. McDowell, CC BY 4.0). Orbits from the CelesTrak satellite catalogue (perigee × apogee, inclination).

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