Orbital launch vehicle

Themis Demonstrator

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.

Flights flown01 scheduled

Peak year20261 flight

Themis Demonstrator is built by ArianeGroup of France. Company background, funding, contracts and news for this operator are tracked on Space Index.

Vehicle

Stages	1
Length	28m
Diameter	3.5m
Launch mass	170t
Liftoff thrust	980kN
Reusable	Yes

Pads used

1 pad

Launch Complex 3B1

Orbits delivered

1 orbit

Suborbital1

Launch history

1 launches

Date	Mission	Pad	Orbit	Outcome
TBD	Themis Demonstrator \| T1H-1	Launch Complex 3B	Suborbital	Scheduled

Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.

Further reading: Wikipedia · Operator page

Fewer than three recorded flights, so this page is marked noindex. It is here for completeness, not for search.