Discoverer 29, also known as Corona 9023, was an American optical reconnaissance satellite which was launched in 1961. It was the first KH-3 Corona''' satellite, which was based on an Agena-B rocket.
The launch of Discoverer 29 occurred at 20:00 UTC on 30 August 1961. A Thor DM-21 Agena-B rocket was used, flying from Launch Complex 75-3-4 at the Vandenberg Air Force Base. Upon successfully reaching orbit, it was assigned the Harvard designation 1961 Psi 1.
Discoverer 29 was operated in a low Earth orbit, with a perigee of 138 kilometres (Template:Convert/round mi), an apogee of 511 kilometres (Template:Convert/round mi), 82 degrees of inclination, and a period of 91 minutes. The satellite had a mass of 1,150 kilograms (Template:Convert/round lb), 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). Images were recorded onto 70-millimeter (Template:Convert/LoffAonSon) film, and returned in a Satellite Recovery Vehicle two days after launch, however all of the images returned were found to be out of focus. The Satellite Recovery Vehicle used by Discoverer 29 was SRV-554. Once its images had been returned, Discoverer 29 remained in orbit until it decayed on 9 September 1961.
- ↑ Krebs, Gunter. "KH-3 Corona". Gunter's Space Page. http://space.skyrocket.de/doc_sdat/kh-3.htm. Retrieved 28 June 2010.
- ↑ 2.0 2.1 McDowell, Jonathan. "Launch Log". Jonathan's Space Page. http://planet4589.org/space/log/launchlog.txt. Retrieved 28 June 2010.
- ↑ 3.0 3.1 McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. http://planet4589.org/space/log/satcat.txt. Retrieved 28 June 2010.
- ↑ 4.0 4.1 Wade, Mark. "KH-3". Encyclopedia Astronautica. http://www.astronautix.com/craft/kh3.htm. Retrieved 28 June 2010.
- ↑ "Corona". Mission and Spacecraft Library. NASA. http://msl.jpl.nasa.gov/programs/corona.html. Retrieved 28 June 2010.
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