Elliptical primary mirror: 1.1 x 0.7 metres
Mission lifetime: 4 years
Payload mass: ~300 kg
Dry mass: ~950 kg
Launch mass: ~1200kg
Cost: Launch vehicle: Ariane 6-2
The ARIEL mission concept has been developed by a consortium of more than 50 institutes from 12 European countries, which include the UK, France, Italy, Germany, the Netherlands, Poland, Spain, Belgium, Austria, Denmark, Ireland and Portugal.