|Mission type||ABM radar target|
|Launch mass||300 kilograms (660 lb)|
|Start of mission|
|Launch date||24 September 1971, 10:30:00UTC|
|Launch site||Plesetsk 133/1|
|End of mission|
|Decay date||29 October 1972|
|Perigee||272 kilometres (169 mi)|
|Apogee||788 kilometres (490 mi)|
Kosmos 440 (Russian: Космос 440 meaning Cosmos 440), also known as DS-P1-I No.10 was a satellite which was used as a radar target for anti-ballistic missile tests. It was launched by the Soviet Union in 1971 as part of the Dnepropetrovsk Sputnik programme.
Kosmos 440 was placed into a low Earth orbit with a perigee of 272 kilometres (169 mi), an apogee of 788 kilometres (490 mi), 70.9 degrees of inclination, and an orbital period of 95.2 minutes. It decayed from orbit on 29 October 1972.
- Wade, Mark. "DS-P1-I". Encyclopedia Astronautica. Retrieved 28 May 2009.
- McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 28 May 2009.
- Wade, Mark. "Kosmos 2". Encyclopedia Astronautica. Retrieved 28 May 2009.
- McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 28 May 2009.
- Wade, Mark. "DS". Encyclopedia Astronautica. Retrieved 28 May 2009.
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