|Harvard designation||1962 Beta Theta 1|
|Launch mass||315 kilograms (694 lb)|
|Start of mission|
|Launch date||20 October 1962, 04:00UTC|
|Launch site||Kapustin Yar Mayak-2|
|End of mission|
|Decay date||18 May 1964|
|Perigee||240 kilometres (150 mi)|
|Apogee||858 kilometres (533 mi)|
Kosmos 11 (Russian: Космос 11 meaning Cosmos 11), also known as DS-A1 No.1 was a technology demonstration satellite which was launched by the Soviet Union in 1962. It was the eleventh satellite to be designated under the Kosmos system, and the fourth spacecraft launched as part of the DS programme to successfully reach orbit, after Kosmos 1, Kosmos 6 and Kosmos 8. Its primary mission was to demonstrate technologies for future Soviet military satellites.
It was launched aboard the ninth flight of the Kosmos-2I 63S1 rocket. The launch was conducted from pad 2 of the Mayak Launch Complex at Kapustin Yar, and occurred at 04:00 UTC on 20 October 1962.
Kosmos 11 was placed into a low Earth orbit with a perigee of 240 kilometres (150 mi), an apogee of 858 kilometres (533 mi), 48.9 degrees of inclination, and an orbital period of 95.6 minutes. It decayed on 18 May 1964. Kosmos 11 was the first of seven DS-A1 satellites to be launched. The next DS-A1 launched was Kosmos 17, in May 1963.
- Wade, Mark. "DS-A1". Encyclopedia Astronautica. Retrieved 25 May 2009.
- McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 25 May 2009.
- Wade, Mark. "Kosmos 2". Encyclopedia Astronautica. Retrieved 25 May 2009.
- McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 25 May 2009.
- Wade, Mark. "DS". Encyclopedia Astronautica. Retrieved 25 May 2009.
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