KH-8 Gambit 3
Spacecraft
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The KH-8 was a long-lived series of reconnaissance satellites of the "Key Hole" series used by the United States from July 1966 to April 1984, and also known as Low Altitude Surveillance Platform. Wikipedia
Perigee altitude: 135 km (84 mi)
Diameter: 1.1 m (3 ft 7 in)
Focal length: 4.46 m (14.6 ft)
Focal ratio: f/4.09
Launch mass: 4100 kg (on orbit)
Reference system: Sun-synchronous orbit
Rocket: Titan III