Ikonos
Spacecraft
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IKONOS was a commercial Earth observation satellite, and was the first to collect publicly available high-resolution imagery at 1- and 4-meter resolution. It collected multispectral and panchromatic imagery. Wikipedia
Launch date: September 24, 1999
Orbit height: 423 mi
Speed on orbit: 4.66 miles/s
Manufacturer: Lockheed Martin Space
Dimensions: 1.83 × 1.57 m (6.0 × 5.2 ft)
Focal length: 10 m (394 in)
Focal ratio: f/14.3