Themis Demonstrator
Active Re-UsableArianeGroup (AG)
None
Description
Themis is an ESA rocket prototype – a flagship European demonstrator for low-cost rocket recovery and reuse technologies. Powered by the reusable, methane-fuelled engine Prometheus, it is developed with ArianeGroup as prime contractor and building on decades of European research and experience in rocketry and space operations, Themis is designed to launch, land vertically and live on for another mission.
Specifications
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Stages
1 -
Length
28.0 m -
Diameter
3.5 m -
Fairing Diameter
― -
Launch Mass
170.0 T -
Thrust
980.0 kN -
Apogee (Sub-Orbital)
20.0 km
Family
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Name
Themis Demonstrator -
Family
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Variant
― -
Alias
― -
Full Name
Themis Demonstrator
Payload Capacity
-
Launch Cost
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Low Earth Orbit
― -
Geostationary Transfer
Orbit
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Direct Geostationary
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Sun-Synchronous Capacity
―
ArianeGroup
Commercial
CEO: Christophe Bruneau
AG 2015ArianeGroup (formerly Airbus Safran Launchers) is an aerospace company based in France. A joint venture between Airbus and Safran, the company was founded in 2015 and is headquartered in Issy-les-Moulineaux. It consists of three core arms: aerospace, defence and security.
Upcoming Spaceflights
Themis Demonstrator | T1H-1
ArianeGroup | FranceEsrange Space Center
TBD June, 2026
Flight Record
No spaceflights found for .
Long March 2D
4 x SatNet test satellites
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35/1 - Plesetsk Cosmodrome, Russian FederationUnknown satellite(s) for the Russian military.
Falcon 9
Starlink Group 17-14
Space Launch Complex 4E - Vandenberg SFB, CA, USAA batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Electron
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Bubbles
Rocket Lab Launch Complex 2 (Launch Area 0 C) - Wallops Flight Facility, Virginia, USASub-orbital launch under Rocket Lab’s Hypersonic Accelerator Suborbital Test Electron (HASTE) program, details TBD.
