UTC —00:00:00
Themis Demonstrator | T1H-1

Overview

Themis Demonstrator | T1H-1

To Be Determined

Launch Complex 3B, Esrange Space Center

September 30, 2026 — 00:00 UTC

Image credit: ArianeGroup

European Space Agency logo

Launch Provider

European Space Agency

Country
France, Italy, Germany, Spain, Switzerland, United Kingdom, Austria, Sweden, Portugal, Netherlands, Hungary, Poland, Denmark, Czechia, Romania, Norway, Finland, Greece, Estonia, Ireland, Luxembourg, Belgium, Slovenia
Founded
1975
Leadership
Director General: Josef Aschbacher
Launch Record
6 success, 1 failed

The European Space Agency is an intergovernmental organisation of 22 member states. Established in 1975 and headquartered in Paris, France, ESA has a worldwide staff of about 2,000 employees. ESA's space flight programme includes human spaceflight (mainly through participation in the International Space Station program); the launch and operation of unmanned exploration missions to other planets and the Moon; Earth observation, science and telecommunication; designing launch vehicles; and maintaining a major spaceport, the Guiana Space Centre at Kourou, French Guiana.

Mission

T1H-1

Type
Test Flight
Target Orbit
Suborbital

First low-altitude hop test of a Themis demonstrator, with a targeted altitude up to 100 m.

Themis Demonstrator

Launch Vehicle

Themis Demonstrator

Height
28.0 m
Diameter
3.5 m
Liftoff Mass
170.0 t
Liftoff Thrust
980.0 kN
Reusable
Yes
Launch Success
0

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.

Core T1H

Booster / First Stage

Core — T1H

Serial
T1H
Status
active
Flight Proven
No
Landing Attempt
Yes
Landing Success
Unknown
Landing Site
Launch Complex 3 Landing Pad (LC3LP)

Launch Site

Launch Complex 3B, Esrange Space Center

Launch complex for Themis test flights at Esrange.

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