| Manufacturer | Open Cosmos |
|---|---|
| Country of origin |  European Space Agency European Union Spain Portugal United Kingdom |
| Applications | coastal surveillance, environmental management, climate monitoring |
| Production | |
| Planned | 17 |
| Built | 0 |
| Launched | 0 |
| Operational | 0 |
| Maiden launch | 2026 (planned) |
TheAtlantic Constellation (Constelación Atlántica) is a futuresatellite constellation ofEarth observation satellites under development bySpain andPortugal, funded by theEuropean Union (EU)[1][2][3][4] and coordinated by theEuropean Space Agency (ESA),[5] with additional contributions by theUnited Kingdom (UK), via theUK Space Agency.[6][7] The constellation, focused on coastal surveillance, environmental management, and climate monitoring,[8] will consist of high and very high resolution sub-spectral and multi-spectral Earth observation satellites[9] withrevisit times of 24 hours, thrice shorter thanCopernicus.[10] The project's first satellite(Atlantic Constellation Pathfinder) is expected to be launched by theUK Space Agency in 2026.[10]
Spain will contribute eight of the satellites. The contract to build them was awarded to the UK-basedOpen Cosmos in October 2025. These satellites, expected to be delivered by 2027, will be equipped with high-resolution multispectral optical cameras,GNSS reflectometry receivers,AIS receivers, andInternet of Things connectivity.[8] The eight Spanish satellites will be named by students of Spanish primary and secondary schools.[11]
Portugal will contribute other eight satellites. The UK will launch its single satellite, also built byOpen Cosmos, to the sameorbital plane as three of the Portuguese spacecraft. This is expected to increase the revisit frequency for the first orbital plane by 33%.[6]
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