|Mission type||ABM radar target|
|Launch mass||325 kilograms (717 lb)|
|Start of mission|
|Launch date||20 September 1968, 14:39:59UTC|
|Launch site||Plesetsk 133/1|
|End of mission|
|Decay date||13 November 1968|
|Perigee altitude||272 kilometres (169 mi)|
|Apogee altitude||406 kilometres (252 mi)|
Kosmos 242 (Russian: Космос 242 meaning Cosmos 242), also known as DS-P1-I No.4 was a satellite which was used as a radar target for anti-ballistic missile tests. It was launched by the Soviet Union in 1968 as part of the Dnepropetrovsk Sputnik programme.
Kosmos 242 was placed into a low Earth orbit with a perigee of 272 kilometres (169 mi), an apogee of 406 kilometres (252 mi), 71 degrees of inclination, and an orbital period of 91.3 minutes. It decayed from orbit on 13 November 1968.