Ymir Satellite

Satellite Ymir-1 (AAC-AIS-SAT-3, Saab Orbcomm VDES CubeSat)
Form factor CubeSat
Units or mass 3U
Status Operational (Press release 2024-05-23)
Launched 2023-11-11
NORAD ID 58997
Deployer ?
Launcher Falcon 9 (Transporter-9) (D-Orbit ION)
Deployment Deployed from D-Orbit ION on 2024-01-05
Organisation AOS (AAC Clyde Space, Saab, Orbcomm)
Institution Company
Entity type Commercial
Country Sweden
Manufacturer AIVT by AAC Clyde Space
Operator AAC Clyde Space
Costs $1.94 million

Carry a VDES (VHF Data Exchange System) payload from Saab for two-way communication between satellite and ground.


launch a test satellite which will make way for a future constellation to provide a next generation VDES service.

Carry a VDES (VHF Data Exchange System) payload from Saab for two-way communication between satellite and ground. ORBCOMM will integrate the data in its distribution centre for maritime communications.

The satellite is part of the collaborative AOS project, a project that is developing the next generation of space based VDES, bringing together AAC Clyde Space, Orbcomm and Saab.

The parties, collaborating under a new brand named AOS, aim both for services directed to end customers as well as for safety of navigation services. The goal of the consortium is to create a global maritime communication network enabling ship-to-ship and ship-to-shore communication everywhere on the globe.

The use of VDES provides much needed improvements to current AIS-based Vessel Traffic Services (VTS). With up to 32 times more bandwidth than AIS, VDES will enable a broader array of applications in maritime surveillance, encrypted communications, fishery, logistics, search and rescue and marine integrated applications. By adding space-based capability to VDES, the use of the system is extended from the shoreline to anywhere in the ocean.


The satellite Ymir-1 has successfully completed two tests with its VDES payload collecting high quality AIS signals from more than 6,000 vessels. This is an important step for the AOS project and the Ymir-1 satellite becoming operational.

The tests comprised two 20-minute passages at an altitude of 650 km from, Greenland to the equator during which the system collected 15,100 AIS messages from 6,100 vessels using the satellite's Saab VDES payload. The successful tests bring the satellite one step closer to becoming fully operational.

Sources [1] [2] [3] [4]
Photo sources [1] [2] [3]
COTS subsystems
  • ANTENNA - Oxford Space Systems
Subsystems sources [1]
Keywords AIS
On the same launch

Last modified: 2024-05-29

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