Atlantic Constellation
The Atlantic Constellation is a future satellite constellation of Earth observation satellites under development by Spain and Portugal, funded by the European Union and coordinated by the European Space Agency, with additional contributions by the United Kingdom, via the UK Space Agency. The constellation, focused on coastal surveillance, environmental management, and climate monitoring, will consist of high and very high resolution sub-spectral and multi-spectral Earth observation satellites with revisit times of 24 hours, thrice shorter than Copernicus. The project's first satellite '' is expected to be launched by the UK Space Agency in 2026.
Satellites
Spain will contribute eight of the satellites. The contract to build them was awarded to the UK-based Open 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, and Internet of Things connectivity. The eight Spanish satellites will be named by students of Spanish primary and secondary schools.Portugal will contribute other eight satellites. The UK will launch its single satellite, also built by Open Cosmos, to the same orbital plane as three of the Portuguese spacecraft. This is expected to increase the revisit frequency for the first orbital plane by 33%.