Upper Atmosphere Research Satellite
Orbiter
>
The Upper Atmosphere Research Satellite was a NASA-operated orbital observatory whose mission was to study the Earth's atmosphere, particularly the protective ozone layer. The 5,900-kilogram satellite was deployed from Space Shuttle Discovery... Wikipedia
Launch date: September 12, 1991
Orbit height: 89 mi
Speed on orbit: 4.862 miles/s
Cost: 750 million USD
Decay date: 24 September 2011
Dry mass: 5,900 kilograms (13,000 lb)
Mission duration: 14 years, 3 months