Kosmos 319 ( meaning Cosmos 319), known before launch as DS-P1-Yu No.25, was a Soviet satellite which was launched in 1970 as part of the Dnepropetrovsk Sputnik programme. It was a spacecraft, which was built by the Yuzhnoye Design Bureau, and was used as a radar calibration target for anti-ballistic missile tests.
Launch Kosmos 319 was launched from Site 133/1 at the Plesetsk Cosmodrome, atop a Kosmos-2I 63SM carrier rocket. The launch occurred on 15 January 1970 at 13:39:59 UTC, and resulted in the successful deployment of Kosmos 319 into low Earth orbit. Upon reaching orbit, it was assigned its Kosmos designation, and received the International Designator 1970-004A.
Orbit Kosmos 319 was operated in an orbit with a perigee of , an apogee of , 81.9 degrees of inclination, and an orbital period of 100.5 minutes. It remained in orbit until it decayed and reentered the atmosphere on 1 July 1970. It was the twenty-ninth of seventy nine DS-P1-Yu satellites to be launched, and the twenty-seventh of seventy two to successfully reach orbit.
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