Sirius Space Services
Sirius Space Services is a French rocket-manufacturing company developing a family of launch vehicles for orbital spaceflight.
Last updated August 27, 2026
Overview
Sirius Space Services is a French space company headquartered in Paris, Île-de-France. Founded in 2020, it is focused on the development and manufacture of orbital launch vehicles rather than on satellite operations, spacecraft manufacturing, or a broad portfolio of downstream space services. The company is developing three rockets known as Sirius 1, Sirius 13, and Sirius 15. These vehicles are designed around the company’s STAR-1 engine, which serves as a common propulsion element across the planned launch-vehicle family. The company’s product strategy is therefore centered on a scalable rocket range. Sirius 1, Sirius 13, and Sirius 15 represent the named launch-vehicle projects associated with the business, although the available reference material does not provide verified specifications, payload capacities, launch dates, flight records, or commercial pricing. In the absence of those details, Sirius Space Services is best described as an early-stage or development-focused launch-vehicle manufacturer whose market proposition is still being established through engineering and infrastructure development. Sirius Space Services has identified launch infrastructure in both Australia and French Guiana. Planned launch facilities include the Arnhem Space Centre in Australia and the Guiana Space Centre in French Guiana. This intended geographic footprint would give the company access to launch locations outside metropolitan France and could support different mission profiles, regulatory arrangements, and customer markets. However, the available material does not confirm that these facilities are already operational for Sirius missions or that the company has completed an orbital launch. The business operates within the emerging European and international commercial-launch sector, where newer companies seek to provide dedicated or responsive access to orbit for satellites and other payloads. Its French base places it within the broader European space ecosystem, while its stated use of Australian and French Guianese launch sites indicates an international infrastructure strategy. No verified information is available in the supplied references regarding current executives, ownership, financing, customer contracts, launch cadence, or regulatory approvals. As documented in the available encyclopedia reference, Sirius Space Services remains primarily associated with the development of its three-vehicle rocket family and the STAR-1 engine. Its long-term commercial position will depend on successfully completing development, obtaining the required approvals, establishing reliable launch operations, and converting the planned vehicles into regularly available services.
History
Sirius Space Services was founded in France in 2020 as a rocket-manufacturing company. Its stated activity is the development of orbital launch vehicles, placing it within the commercial space-launch sector. The available reference identifies Paris, in the Île-de-France region, as the company’s base and associates the business with a planned family of three rockets: Sirius 1, Sirius 13, and Sirius 15. A central element of the company’s technical program is the STAR-1 engine. The engine is described as being used by the Sirius launch-vehicle family, suggesting an effort to apply a common propulsion architecture across multiple vehicle sizes or configurations. The supplied material does not provide verified engine specifications, propellant details, thrust data, manufacturing scale, testing results, or flight history, so the technical maturity of STAR-1 cannot be assessed from the available sources. The planned vehicle range comprises Sirius 1, Sirius 13, and Sirius 15. These names are the principal products associated with the company, but the available reference does not state their payload classes, dimensions, target orbits, launch prices, customer missions, or scheduled first flights. No completed orbital launch is identified in the supplied material. Accordingly, the company’s documented history is primarily a development history rather than an operating launch record. Sirius Space Services has also identified two intended launch locations: the Arnhem Space Centre in Australia and the Guiana Space Centre in French Guiana. The proposed use of these sites would give the French company an international launch footprint and could allow it to serve missions from more than one geographic location. The references do not clarify the contractual, regulatory, or operational status of the company’s access to either site, nor do they establish a date for the start of launch operations. The available information does not identify founders, executives, parent companies, investors, listed securities, major customers, completed campaigns, controversies, acquisitions, or financial results. The company is therefore best characterized, on the evidence available here, as a France-based commercial launch-vehicle developer with three announced rocket projects and an associated engine program. Further documentation would be required to describe later engineering milestones, financing, launch contracts, regulatory approvals, or operational performance.
- 2020Company founded
Sirius Space Services was founded in France as a rocket-manufacturing and launch-vehicle development company.
Products and positioning
A French commercial rocket manufacturer developing a scalable family of orbital launch vehicles and associated propulsion technology, with planned launch infrastructure in Australia and French Guiana.
Sirius 1Orbital launch vehicle
Sirius 1 is one of the three launch vehicles under development by Sirius Space Services. It forms part of the company’s planned rocket family and is associated with the STAR-1 engine program. The available reference does not specify its payload capacity, dimensions, target orbit, launch schedule, customer missions, or operational status.
Sirius 13Orbital launch vehicle
Sirius 13 is a planned launch vehicle in the Sirius Space Services range. It is described as using the company’s STAR-1 engine and is part of the manufacturer’s intended multi-vehicle approach to orbital launch. No verified information in the supplied reference establishes its payload class, first-flight date, launch price, flight history, or commercial availability.
Sirius 15Orbital launch vehicle
Sirius 15 is the third named rocket being developed by Sirius Space Services. Like the other vehicles in the announced family, it is linked to the STAR-1 engine. The available source does not provide confirmed technical specifications, launch dates, payload information, customer assignments, or evidence of completed flight operations.
STAR-1Rocket engine
STAR-1 is the propulsion system identified in the available reference for the Sirius 1, Sirius 13, and Sirius 15 launch vehicles. It is intended to support the company’s rocket family and represents a core part of Sirius Space Services’ in-house launch-technology program. Detailed propulsion specifications, test results, production status, and flight qualification are not provided.
Flagship businesses
- Sirius 1
- Sirius 13
- Sirius 15
- STAR-1 engine
Sources
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