Kosmos 615

Kosmos 615 (Космос 615 meaning Cosmos 615), also known as DS-P1-I No. 13, was a satellite which was used as a radar target for anti-ballistic missile tests. It was launched by the Soviet Union in 1973 as part of the Dnepropetrovsk Sputnik programme.

Launch
It was launched aboard a Kosmos-2I 63SM rocket, from Site 133/1 at Plesetsk. The launch occurred at 11:10:03 UTC on 13 December 1973.

Orbit
Kosmos 615 was placed into a low Earth orbit with a perigee of 270 km, an apogee of 834 km, 71 degrees of inclination, and an orbital period of 95.7 minutes. It decayed from orbit on 17 December 1975.

Kosmos 615 was the thirteenth of nineteen DS-P1-I satellites to be launched. Of these, all reached orbit successfully except the seventh.