Template:Infobox spaceflight

Thor Agena B with Discoverer 22 (Mar. 30, 1961)

The launch of Discoverer 22

Discoverer 22, also known as Corona 9015, was an American optical reconnaissance satellite which was lost in a launch failure in 1961. It was a KH-2 Corona' satellite, based on an Agena-B.[1]

The launch of Discoverer 22 occurred at 20:34:43 UTC on 30 March 1961. A Thor DM-21 Agena-B rocket was used, flying from launch pad 75-3-4 at the Vandenberg Air Force Base.[2] Due to a malfunction of the rocket's second stage, it failed to achieve orbit.[3]

Discoverer 22 was to have operated in a low Earth orbit. It had a mass of 1,150 kilograms (Template:Convert/round lb),[4] and was equipped with a panoramic camera with a focal length of 61 centimetres (Template:Convert/round in), which had a maximum resolution of 7.6 metres (Template:Convert/round ft).[5] Images were to have been recorded onto 70-millimeter (Template:Convert/LoffAonSon) film, and returned in a Satellite Recovery Vehicle. The Satellite Recovery Vehicle carried aboard Discoverer 22 was SRV-509.[4]


  1. Krebs, Gunter. "KH-2 Corona". Gunter's Space Page. Retrieved 23 June 2010. 
  2. McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 23 June 2010. 
  3. Pike, John (9 September 2000). "KH-2 Corona". Federation of American Scientists. Retrieved 23 June 2010. 
  4. 4.0 4.1 Wade, Mark. "KH-2". Encyclopedia Astronautica. Retrieved 23 June 2010. 
  5. "Corona". Mission and Spacecraft Library. NASA. Retrieved 23 June 2010. 
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