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The launch of Discoverer 30
Discoverer 30, also known as Corona 9022, was an American optical reconnaissance satellite which was launched in 1961. It was a KH-3 Corona''' satellite, based on an Agena-B rocket.[1]
The launch of Discoverer 30 occurred at 19:59 UTC on 12 September 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 Omega 1.
Discoverer 30 was operated in a low Earth orbit, with a perigee of 231 kilometres (Template:Convert/round mi), an apogee of 484 kilometres (Template:Convert/round mi), 82.6 degrees of inclination, and a period of 91.7 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 two days after launch however, like the previous mission, all of the images returned were found to be out of focus.[4] The Satellite Recovery Vehicle used by Discoverer 30 was SRV-551. Once its images had been returned, Discoverer 30's mission was complete, and it remained in orbit until its decay on 11 December 1961.[3]
References[]
- ↑ Krebs, Gunter. "KH-3 Corona". Gunter's Space Page. http://space.skyrocket.de/doc_sdat/kh-3.htm. Retrieved 29 June 2010.
- ↑ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. http://planet4589.org/space/log/launchlog.txt. Retrieved 29 June 2010.
- ↑ 3.0 3.1 McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. http://planet4589.org/space/log/satcat.txt. Retrieved 29 June 2010.
- ↑ 4.0 4.1 Wade, Mark. "KH-3". Encyclopedia Astronautica. http://www.astronautix.com/craft/kh3.htm. Retrieved 29 June 2010.
- ↑ "Corona". Mission and Spacecraft Library. NASA. http://msl.jpl.nasa.gov/programs/corona.html. Retrieved 29 June 2010.
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