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Kosmos 268
Kosmos 268 ((ロシア語:Космос 268) meaning ''Cosmos 268''), known before launch as DS-P1-Yu No.18, was a Soviet satellite which was used as a radar calibration target for tests of anti-ballistic missiles. It was a spacecraft, which was built by the Yuzhnoye Design Bureau, and launched in 1969 as part of the Dnepropetrovsk Sputnik programme. == Launch == Kosmos 268 was launched from Site 86/4 at Kapustin Yar, atop a Kosmos-2I 63SM carrier rocket. The launch occurred on 5 March 1969 at 13:04:55 UTC, and resulted in Kosmos 268's successful deployment into low Earth orbit. Upon reaching orbit, it was assigned its Kosmos designation, and received the International Designator 1969-020A. Kosmos 268 was operated in an orbit with a perigee of , an apogee of , 48.4 degrees of inclination, and an orbital period of 108 minutes.〔〔 It remained in orbit until it decayed and reentered the atmosphere on 9 May 1970. It was the nineteenth of seventy nine DS-P1-Yu satellites to be launched,〔 and the eighteenth of seventy two to successfully reach orbit.
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