Earth Observation

End-to-end solutions for
Earth Observation missions


Satellite Systems

Deimos offers full turn-key Earth observation systems based on several platforms, with different spatial resolution performances. The satellites Deimos-1 and Deimos-2 are the company’s first operational systems in orbit. Deimos Engineering and Systems’s facilities represent the company’s satellite integration centre, with dedicated premises such as a clean room, a 10-meter antenna and a control centre for satellite monitoring and control. In addition, Deimos is currently working on several initiatives and breakthrough technologies to radically improve Earth Observation data in terms of quality and cost.

Flight systems

The activities carried out by Deimos for Earth observation flight systems include launch window calculation, eclipse analysis, trajectory definition, orbit maintenance, lifetime studies and risk assessment. Satellite disposal and re-entry analysis are also considered. Tailored algorithms and software tools are developed to simulate the space environment and its effects on the mission design.

The company’s experience in the field includes the missions Deimos-1 and Deimos-2, as well as the mission analysis and design of Copernicus’s satellite Sentinel-3A.

Real time systems

Deimos capabilities in real-time systems include the development of on-board software systems such as on-board computers, avionics, control units, and on-board data handling. The company’s expertise also includes Independent Software Validation and Verification.

In this field, Deimos has participated in the ESA missions SMOS and Sentinel-3, in addition to its own mission Deimos-2.

Ground segment systems

The activities associated with the Mission Ground Segment have been a strategic line of business since the foundation of the company. Deimos has been involved in most Earth Observation Missions at ESA, starting with ENVISAT, following with all Earth Explorers and GMES/Copernicus (Sentinel 1, 2 and 3).

Moreover, Deimos has implemented its own complete ground segment for the Deimos-2 mission, based on the gs4EO® suite of ground segment products. The suite  is the result of more than a decade of work for ESA, supporting several Earth Observation missions.

The gs4EO modules can be used independently to customize a Ground Segment according to the user requirements or combined for a full, end-to-end Ground Segment.  Each module has user-friendly graphical interfaces and communicates with the rest of the Ground Segment using file-based interfaces, easing its integration with other external solutions. The whole gs4EO suite is highly flexible and scalable, maximizing the mission return in a very cost-effective way.


Elecnor Deimos develops and markets Direct Receiving Stations (DRS) for satellite image reception. These systems allow the user to download, process, distribute and archive DEIMOS-1 & DEIMOS-2 satellite data. Elecnor Deimos DRS is based on the gs4EO® suite, which represents the first modular end-to-end solution for Ground Segments of Earth Observation missions.

The gs4EO suite of products can be used for tasking, telemetry, download and processing of satellite data performed locally at the user premises, working as a Direct Receiving Station. The modularity and scalability of the gs4EO line allows for minor adaptations and integrations with pre-existing satellite control stations.

The level of complexity of the station depends on the user needs in terms of data. The combination of an antenna and a direct receiving station ensures immediate, secure and private access to satellite data in real-time. If immediate data access is not necessary, virtual receiving stations (i.e. the complete Ground Segment without an antenna) can be used for tasking and processing the satellite data.


Deimos is in the rare position of being a creator of space systems, an operator of commercial Earth Observation (EO) satellites and a developer of EO applications. The company’s knowledge of satellite systems, data systems and location-based services puts it in a unique position for developing satellite applications.

The lower cost and wider availability of Earth Observation data and satellite navigation enabled devices is driving the implementation of new applications in fields such as precision agriculture, crop yield estimation, urban planning, mapping, routine monitoring of remote assets, eco system monitoring, forestry and many others.

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