Kosmos 222
Introduction '''Kosmos 222''' ( meaning ''Cosmos 222''), known before launch as '''DS-P1-Yu No.12''', was a Soviet satellite which was used as a radar calibration target for tests of anti-ballistic missiles. It was built by the Yuzhnoye Design Bureau, and launched in 1968 as part of the Dnepropetrovsk Sputnik programme. It had a mass of .Kosmos 222 was launched from Site 133/3 at the Plesetsk Cosmodrome, atop a Kosmos-2I 63SM carrier rocket. The launch occurred on 30 May 1968 at 20:29:49 GMT, and resulted in Kosmos 222's successful deployment into low Earth orbit. Upon reaching orbit, it was assigned its Kosmos designation, and received the International Designator 1968-044A.Kosmos 222 was operated in an orbit with a perigee of , an apogee of , an inclination of 71.0°, and an orbital period of 92.3 minutes. It remained in orbit until it decayed and reentered the atmosphere on 11 October 1968.It was the fourteenth of seventy nine DS-P1-Yu satellites to be launched, and the thirteenth of seventy two to successfully reach orbit.
See also *1968 in spaceflight
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