Kosmos 849 (Russian: Космос 849 meaning Cosmos 849), also known as DS-P1-I No.17 was a satellite which was used as a radar target for anti-ballistic missile tests. It was launched by the Soviet Union in 1976 as part of the Dnepropetrovsk Sputnik programme. It was launched aboard a Kosmos-2I 63SM rocket, from Site 133/1 at Plesetsk. The launch occurred at 09:30 UTC on 18 August 1976. Kosmos 849 was the seventeenth of nineteen satellites to be launched. Of these, all reached orbit successfully except the .