In DevelopmentReusable
Themis
ArianeGroup / ESA
Themis is a European reusable rocket demonstrator developed by ArianeGroup and ESA. Designed to test technologies for future reusable launch vehicles including vertical landing and engine reuse.
First Flight
September 1, 2025
Stages
1
Technical Specifications
Dimensions
Height
30 m / 98 ft
Diameter
3.5 m / 11.5 ft
Mass
Total Mass
150,000 kg
330,700 lb
Payload Capacity
LEO
0 kg
0 lb
Thrust
Liftoff Thrust
1,000 kN
224,800 lbf