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The SIRIUS range
Since 2020, we have been aiming to develop a range of sustainable, reusable launch vehicles, dedicated to the launch of small satellites (SmallSats).
SIRIUS will enable small satellite operators to benefit from the same launch services offered to heavy satellite operators.
This will enable the small satellite industry to benefit from a fast and accurate orbit of its satellites.
A solution dedicated to nano, micro and mini-satellites.
Sirius Space Services is expanding its range of SIRIUS launchers to meet the needs of small satellites. Thanks to this range, we offer an agile and dedicated solution for each category of small satellites between 175 and 800 kg on a reference SSO orbit of 700Km.
A range of launchers with a common base.
The SIRIUS range consists of the Sirius 1, Sirius 13 and Sirius 15 launchers. These last two are developed from the Sirius 1 launcher to which we add 2 or 4 boosters having an identical architecture at the Sirius 1 stage.
RELIABLE
Simple and robust design.
Designed and manufactured to ECSS standards.
SUSTAINABLE
Use of responsible materials and processes ;
Recovery and reuse of 100% of launcher's elements ultimately ;
Use of bio-ergols.
TECHNOLOGICAL
Metal additive manufacturing for various launcher components.
COMPETITIVE
Cost control (R&D, industrialisation, launch).
SIRIUS 1
Performance to SSO 700KM
Number of stages Kickstage
Height
Diameter
Thrust of The 1rst Stage
9 engines (STAR 1)
Thrust of the 2nd stage
1 engine ( STAR 1)
Maiden
Flight
175 Kg
2
23,5 m
1,7 m
495 kN
55 kN
1st Semester 2025
SIRIUS 13
Performance
to SSO 700Km
Number of stages Kickstage
Height
Thrust of the 1st Stage
27 engines (STAR 1)
Thrust of the 2nd Stage 1 engine (STAR 1)
Maiden Flight
500 Kg
2
25,5 m
1485 kN
55 kN
2026
SIRIUS 15
Performance to SSO 700Km
Number of stages Kickstage
Height
Thrust of the 1rst Stage 45 engines (STAR 1)
Thrust of the 2nd stage 1 engine (STAR 1)
Maiden Flight
800 Kg
2
27,5 m
2475 kN
55 kN
2027
An innovative technique of engine manufacturing.
We chose to design our engines to be manufactured using additive manufacturing methods. We thus reduce the number of parts and sealing flanges with a significantly faster manufacturing process and a lightweight and optimized design.
Engine Star 1
Propellant
Nominal
Thrust
Printed entirely
in 3D
LCH4 / LO2/
55 kN
User's manual
The user's manual is available on request. Please complete the form below and we will process your request as soon as possible.