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 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.