|Harvard designation||1962 Alpha Omega 1|
|Launch mass||4,700 kilograms (10,400 lb)|
|Start of mission|
|Launch date||27 September 1962, 09:39:51UTC|
|Launch site||Baikonur 1/5|
|End of mission|
|Landing date||1 October 1962|
|Perigee||829 kilometres (515 mi)|
|Apogee||981 kilometres (610 mi)|
Kosmos 9 (Russian: Космос 9 meaning Cosmos 9), also known as Zenit-2 #7, was a Soviet reconnaissance satellite launched in 1962. It was the ninth satellite to be designated under the Kosmos system, and the third successful launch of a Soviet reconnaissance satellite, following Kosmos 4 and Kosmos 7.
Kosmos 9 was placed into a low Earth orbit with a perigee of 829 kilometres (515 mi), an apogee of 981 kilometres (610 mi), 67.6 degrees of inclination, and an orbital period of 103.1 minutes. It conducted a four-day mission, before being deorbited and landing by parachute on 1 October.
Kosmos 9 was a Zenit-2 satellite, a reconnaissance satellite derived from the Vostok spacecraft used for manned flights. The next Zenit-2 launch was Kosmos 10. Kosmos 9 carried an area survey reconnaissance payload. In addition to reconnaissance, it was also used for research into radiation in support of the Vostok programme.
- Wade, Mark. "Zenit-2". Encyclopedia Astronautica. Retrieved 2009-05-24.
- McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 2009-05-24.
- Wade, Mark. "Soyuz". Encyclopedia Astronautica. Retrieved 2009-05-24.
- McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 2009-05-24.
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