Facts & Figures

Elliptical primary mirror: 1.1 x 0.7 metres
Mission lifetime: 4 years
Payload mass: ~300 kg
Dry mass: ~950 kg
Launch mass: ~1200kg
Destination: L2
Cost: Launch vehicle: Ariane 6-2

The ARIEL mission payload is developed by a consortium of more than 50 institutes from 17 European countries – which include the UK, France, Italy, Germany, the Netherlands, Poland, Spain, Belgium, Austria, Denmark, Ireland, Norway, Sweden, Czech Republic, Hungary, Estonia and Portugal – plus a NASA contribution.