Kosmos 7 (Russian: Космос 7 meaning Cosmos 7), also known as Zenit-2 No.4 and occasionally in the West as Sputnik 17 was a Soviet reconnaissance satellite launched in 1962.
Scientific data and measurements were relayed to Earth by multichannel telemetry systems equipped with space-borne memory units.
[4] The launch was conducted from Site 1/5 at the Baikonur Cosmodrome, and occurred at 09:18:31 GMT on 28 July 1962.
[5] Kosmos 7 was placed into a low Earth orbit with a perigee of 197 kilometres (122 mi), an apogee of 356 kilometres (221 mi), an inclination of 64.95°, and an orbital period of 90.1 minutes.
[2] It conducted a four-day mission, before being deorbited and landing by parachute on 1 August 1962, and recovered by the Soviet forces in the steppe in Kazakhstan.