|Mission type||ABM radar target|
|Launch mass||325 kilograms (717 lb)|
|Start of mission|
|Launch date||4 November 1969, 11:59:59UTC|
|Launch site||Plesetsk 133/1|
|End of mission|
|Decay date||4 January 1970|
|Perigee altitude||271 kilometres (168 mi)|
|Apogee altitude||408 kilometres (254 mi)|
Kosmos 308 (Russian: Космос 308 meaning Cosmos 308), also known as DS-P1-I No.7 was a satellite which was used as a radar target for anti-ballistic missile tests. It was launched by the Soviet Union in 1969 as part of the Dnepropetrovsk Sputnik programme.
Kosmos 308 was placed into a low Earth orbit with a perigee of 271 kilometres (168 mi), an apogee of 408 kilometres (254 mi), 71 degrees of inclination, and an orbital period of 91.3 minutes. It decayed from orbit on 4 January 1970.