MOUNTAIN VIEW, Calif. \u2014 Leonardo is funding development of an Earth observation constellation designed to highlight its capabilities while also being a model for larger European initiatives.<\/p>\n
Speaking at last week\u2019s SmallSat Symposium, Marco Brancati, a senior vice president in Leonardo\u2019s space division, discussed the Leonardo EO Constellation, a system of about 20 satellites with high-resolution optical and synthetic aperture radar (SAR) payloads.<\/p>\n
Work on the constellation started last July, with a preliminary design review finished earlier this month, he said. A critical design review for the constellation is planned for June, with launches projected for 2027 and 2028.<\/p>\n
The constellation has two goals. \u201cThe idea is, on one side, to provide the downstream component of the company with proprietary Earth observation data,\u201d he said, referring to the geospatial intelligence services offered by e-GEOS, owned in part by Leonardo.<\/p>\n
\u201cOn the other side, the goal is to show customers in the market that Leonardo is now really able to deploy an end-to-end system, both ground and space segments,\u201d he said. That was one motivation for Leonardo establishing a space division in early 2025. \u201cThe best way to show that is to build it for yourself.\u201d<\/p>\n
Brancati said Leonardo is investing nearly 500 million euros ($590 million) in the project. It has selected Thales Alenia Space, a joint venture of Leonardo and Thales, to build the satellites at its new \u201cSpace Smart Factory\u201d in Rome, designed to produce up to 100 satellites a year.<\/p>\n
The constellation features one plane of nine satellites: six with SAR payloads, two with high-resolution optical imagers and one dedicated communications satellite. The spacecraft will have optical intersatellite links while the communications satellite will have additional terminals to enable optical communications with other spacecraft or optical ground stations.<\/p>\n
The configuration of a second plane is still being finalized, he said. One option being considered would be to have seven dedicated high-resolution optical imaging satellites and two with both optical imaging and communications payloads.<\/p>\n
He said Leonardo could incorporate satellites from other partners into the system. \u201cThe concept of federation is very important,\u201d he said. \u201cWe have the possibility to federate constellations from additional partners.\u201d<\/p>\n
The Leonardo satellites will use a modular bus called NIMBUS developed by Thales Alenia Space. The radar, optical and communications satellites will use common components, but with different payload modules based on their mission.<\/p>\n
Brancati described the system as a \u201cpreparatory constellation\u201d but did not disclose plans for expanding it beyond the two planes he described in his presentation. However, he suggested it could be a model or precursor of some kind for future European imaging satellites systems, such as those funded by the European Space Agency\u2019s European Resilience from Space (ERS) program or the future European Commission\u2019s Earth Observation Government Service (EOGS) initiative.<\/p>\n
\u201cWe\u2019re looking at the potential synergies with European programs like, for instance, ERS and EOGS,\u201d he said.<\/p>\n
ESA member states committed more than 1.3 billion euros to ERS at the ministerial conference last November, with ESA electing to keep subscriptions to the program open to late 2026. ESA, though, has provided few details about ERS, including requirements for imaging satellites that the program will fund initial development of.<\/p>\n
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