Discoverer 33

Discoverer 33
Discoverer 33
Operator US Air Force/NRO
Major contractors Lockheed
Bus KH-3 Corona'''
Agena-B
Mission type Optical reconnaissance
Launch date 23 October 1961
19:23 UTC
Carrier rocket Thor DM-21 Agena-B 329
Launch site Vandenberg LC-75-3-5
Mission duration Failed to orbit
Mass 1,150 kilograms (2,500 lb)
Orbital elements
Regime Low Earth

Discoverer 33, also known as Corona 9026, was an American optical reconnaissance satellite which was lost in a launch failure in 1961. It was a KH-3 Corona''' satellite, based around an Agena-B.[1]

The launch of Discoverer 33 occurred at 19:23 UTC on 23 October 1961. A Thor DM-21 Agena-B rocket was used, flying from Launch Complex 75-3-5 at the Vandenberg Air Force Base.[2] The launch ended in failure after the Agena failed to separate from the Thor first stage.[3]

Discoverer 33 was intended to have operated in a low Earth orbit. It had a mass of 1,150 kilograms (2,500 lb),[4] and was equipped with a panoramic camera with a focal length of 61 centimetres (24 in), which had a maximum resolution of 7.6 metres (25 ft).[5] It would have recorded images onto 70-millimetre (2.8 in) film, and returned this in a Satellite Recovery Vehicle at the end of its mission. The Satellite Recovery Vehicle carried by Discoverer 33 was SRV-553.


References

  1. ^ Krebs, Gunter. "KH-3 Corona". Gunter's Space Page. http://space.skyrocket.de/doc_sdat/kh-3.htm. Retrieved 30 June 2010. 
  2. ^ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. http://planet4589.org/space/log/launchlog.txt. Retrieved 30 June 2010. 
  3. ^ Lindborg, Christina; Pike, John (9 September 2000). "KH-3 Corona". Federation of American Scientists. http://www.fas.org/spp/military/program/imint/kh-3.htm. Retrieved 30 June 2010. 
  4. ^ Wade, Mark. "KH-3". Encyclopedia Astronautica. http://www.astronautix.com/craft/kh3.htm. Retrieved 30 June 2010. 
  5. ^ "Corona". Mission and Spacecraft Library. NASA. http://msl.jpl.nasa.gov/programs/corona.html. Retrieved 30 June 2010. 



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