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Kosmos 7 ((ロシア語:Космос 7) meaning ''Cosmos 7''), also known as Zenit-2 #4 and occasionally in the West as Sputnik 17 was a Soviet reconnaissance satellite launched in 1962. It was the seventh satellite to be designated under the Kosmos system, and the second successful launch of a Soviet reconnaissance satellite. It also marked the first successful launch of a Vostok-2, on the second attempt. The first Vostok-2 launch, also carrying a Zenit-2 satellite, suffered an engine failure seconds after launch, fell back to earth and exploded within 300 metres of the launch pad. Vostok-2 s/n T15000-07 was used to launch Kosmos 7. The launch was conducted from Site 1/5 at the Baikonur Cosmodrome, and occurred at 09:18:31 GMT on 28 July 1962. Kosmos 7 was placed into a low Earth orbit with a perigee of , an apogee of , 64.9 degrees of inclination, and an orbital period of 90 minutes.〔 It conducted a four day mission, before being deorbited and landing by parachute on 1 August. Kosmos 7 was a Zenit-2 satellite, a reconnaissance satellite derived from the Vostok spacecraft used for manned flights.〔 It was the second Zenit-2 to reach orbit, the first being Kosmos 4. The next Zenit-2 launch was Kosmos 9.〔 Kosmos 7 carried an area survey reconnaissance payload. In addition to reconnaissance, it was also used for research into radiation. ==See also== *1962 in spaceflight 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Kosmos 7」の詳細全文を読む スポンサード リンク
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