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Thor Agena B with Discoverer 26 (Jul. 7 1961)

The launch of Discoverer 26

Discoverer 26, also known as Corona 9019, was an American optical reconnaissance satellite which was launched in 1961. It was a KH-2 Corona' satellite, based on an Agena-B.[1]

The launch of Discoverer 26 occurred at 23:29:48 UTC on 7 July 1961. A Thor DM-21 Agena-B rocket was used, flying from Launch Complex 75-3-5 at the Vandenberg Air Force Base.[2] Upon successfully reaching orbit, it was assigned the Harvard designation 1961 Pi 1.

Discoverer 26 was operated in a low Earth orbit, with a perigee of 229 kilometres (Template:Convert/round mi), an apogee of 713 kilometres (Template:Convert/round mi), 82.9 degrees of inclination, and a period of 94 minutes.[3] The satellite 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 recorded onto 70-millimeter (Template:Convert/LoffAonSon) film, and returned in a Satellite Recovery Vehicle, which was deorbited two days after launch. The Satellite Recovery Vehicle used by Discoverer 26 was SRV-511. Once its images had been returned, Discoverer 26's mission was complete, and it remained in orbit until it decayed on 5 December 1961.[3]

ReferencesEdit

  1. Krebs, Gunter. "KH-2 Corona". Gunter's Space Page. http://space.skyrocket.de/doc_sdat/kh-2.htm. Retrieved 26 June 2010. 
  2. McDowell, Jonathan. "Launch Log". Jonathan's Space Page. http://planet4589.org/space/log/launchlog.txt. Retrieved 26 June 2010. 
  3. 3.0 3.1 McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. http://planet4589.org/space/log/satcat.txt. Retrieved 26 June 2010. 
  4. Wade, Mark. "KH-2". Encyclopedia Astronautica. http://www.astronautix.com/craft/kh2.htm. Retrieved 26 June 2010. 
  5. "Corona". Mission and Spacecraft Library. NASA. http://msl.jpl.nasa.gov/programs/corona.html. Retrieved 26 June 2010. 
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