Hemeria

Updated 25 Jul 2026
Manufacturer France Listed
19 Products
5 Services
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About Hemeria

HEMERIA designs, produces, and supplies space systems and vehicles, as well as defense systems. Their space product lines include nano and micro satellites (SPECTRA-L40, SPRINT-L60, SPARTA-G70), stratospheric balloons (zero pressure, pressurized, maneuvering BalMan), satellite equipment (harnesses, structures, MLI, zero gravity balloons, solar arrays), and space situational awareness services (SSA data via radar, launch and maneuver surveillance). They also offer Assembly, Integration and Testing (AIT) services and space systems design. For defense, HEMERIA provides electro-optical tracking systems (HYPERIA VT, HYPERION), surveillance tethered aerostat systems (Jackdaw, Eagle Owl, Condor), drone airships, electronic systems through-life support, power conversion and energy storage solutions, and secure systems. HEMERIA serves commercial, institutional, and scientific customers, including the French space agency CNES, key prime contractors, the French defence procurement agency DGA, Armed Forces, homeland security forces, and private security actors. Over 300 satellites are equipped with HEMERIA solutions. The company maintains 1,400 items of equipment annually.

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Products

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HEMERIA offers controlled, rapid production thanks to recognized skills in assembly, integration and testing of satellite systems, ensuring optimized lead-time and quality.

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Hemeria develops an innovative stratospheric balloon, BalMan, capable of piloting its trajectory in the stratosphere, facilitating access to space at a lower cost and environmental impact.

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HEMERIA designs and manufactures customized control and maintenance benches for battery systems, enabling charging, discharging, and through-life support for your batteries.

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HEMERIA commercializes space surveillance services and provides data from radar sensors based on GRAVES technology.

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HEMERIA designs and manufactures emergency or back-up power supply systems such as uninterruptible power supply (UPS) to power critical systems in the event of main power grid failure.

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HEMERIA designs, builds, tests and integrates interconnection solutions for equipment used in commercial, defense, and scientific space applications.

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HEMERIA designs, builds, tests and integrates thermal control subsystems used in all types of applications (commercial, defense, scientific).

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HEMERIA designs and manufactures AC/DC, DC/DC and DC/AC converters, ensuring a high-quality power supply suited to the energy source of your on-board grid.

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Hemeria's pressurized stratospheric balloons are designed for long-duration missions in environmental studies or meteorology, offering low-cost access to the stratosphere.

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HEMERIA designs and builds solar arrays for all types of spacecraft, nano or micro satellites, rovers and transfer vehicles, offering a reliable and proven solution with controlled costs and short lead-times.

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HEMERIA works with you to define the optimum technical solution for your space system, combining agility with performance.

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The HEMERIA SPARTA-G70 is a nanosatellite platform optimized for geostationary orbit services, capable of hosting payloads up to 20 kg and providing significant power and data storage capabilities.

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The SPECTRA-L40 is a nanosatellite platform designed for low-data-rate telecommunication networks, optimized for constellations with efficient power generation across various orbits.

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Access your own optical, hyperspectral or RF Earth observation capacity thanks to HEMERIA’s SPRINT-L60 range of satellites.

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HEMERIA provides space situational awareness and data from radar sensors based on GRAVES technology, offering highly competitive access to space surveillance.

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HEMERIA designs, builds, tests, and integrates aluminum sandwich or monolithic CFRP structures for various space applications, including commercial, defense, and scientific missions.

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HEMERIA designs and manufactures variable speed drives to pilot motors and rotating machines in terms of speed and power, offering modular solutions with high reliability and guaranteed lifetime over decades.

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HEMERIA designs and manufactures zero gravity balloons used during the integration and testing stages of space vehicles to recreate "zero gravity" conditions, and for moving equipment in workshops or clean rooms.

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Hemeria's zero pressure stratospheric balloons are primarily utilized by the scientific community for astronomy or astrophysics missions and by space companies for equipment testing.

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Additional Services

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Integration & testing
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Assemblage, Intégration et Tests (AIT)

HEMERIA provides services for the assembly, integration, and testing of satellite systems. This is performed in 4,000 square meters of clean rooms, ensuring a controlled and rapid production process. The company leverages its recognized skills in these areas to deliver…

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EO imagery & data
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HEMERIA offers space situational awareness (SSA) services, providing data and insights into objects in Low Earth Orbit (LEO) through radar technologies. This includes leveraging privileged access to the GRAVES system, the first European space monitoring system, and utilizing the MEDOC…

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Engineering & analysis
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HEMERIA designs and produces cutting-edge space systems and vehicles for a diverse range of clients, including commercial, institutional, and scientific customers. This service is offered on a national, European, and international scale, demonstrating the company's capability to develop complex space…

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