|Mission type||ASAT target|
|Launch mass||650 kilograms (1,430 lb)|
|Start of mission|
|Launch date||21 October 1977, 10:05UTC|
|Launch site||Plesetsk 132/1|
|Perigee||146 kilometres (91 mi)|
|Apogee||850 kilometres (530 mi)|
Kosmos 959 (Russian: Космос 959 meaning Cosmos 959) was a satellite which was used as a target for tests of anti-satellite weapons. It was launched by the Soviet Union in 1977 as part of the Dnepropetrovsk Sputnik programme, and used as a target for Kosmos 961, as part of the Istrebitel Sputnik programme.
Kosmos 959 was placed into a low Earth orbit with a perigee of 146 kilometres (91 mi), an apogee of 850 kilometres (530 mi), 65.8 degrees of inclination, and an orbital period of 94.6 minutes. It was successfully intercepted by Kosmos 961, as part of a non-destructive test. Following this, it decayed from orbit on 30 November 1977.
- Wade, Mark. "DS-P1-M". Encyclopedia Astronautica. Retrieved 2009-06-03.
- Wade, Mark. "IS-A". Encyclopedia Astronautica. Retrieved 2009-06-03.
- McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 2009-06-03.
- Wade, Mark. "Kosmos 3". Encyclopedia Astronautica. Retrieved 2009-06-03.
- McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 2009-06-03.
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