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Sputnik 1
Sputnik 1
Sputnik 1
Credit: © Mark Wade
Russian technology satellite. Tikhonravov's 1.4 metric ton ISZ satellite was to have been launched by the new R-7 ICBM as the Soviet Union's first satellite, during the International Geophysical Year.

AKA: PS;PS-1. Status: Operational 1957. First Launch: 1957-10-04. Last Launch: 1957-10-04. Number: 1 . Gross mass: 84 kg (185 lb).

But it was not ready in time, so Korolev hurriedly developed Sputnik 1 as a replacement. It became the first artificial satellite of the earth. Sputnik 1 had 1 watt of power, producing an 0.4 second duration signal on the 7 and 15 m bands. Four antennae were deployed at 35 degree angles. Power was provided by three silver-zinc batteries. Thermo-regulation was by a ventilator. The 580 mm sphere had a mass of 83 kg and was made of highly polished Aluminum AMG6T alloy 2 mm thick. It was built without drawings due to the quick time schedule. Korolev was everywhere, supervising all aspects of its construction. It functioned for 21 days.



Subtopics

Sputnik 1 (PS-1 #1) Null

Family: Technology, Technology satellite. Country: Russia. Launch Vehicles: R-7, Sputnik 8K71PS. Launch Sites: Baikonur, Baikonur LC1. Agency: Korolev bureau. Bibliography: 177, 2, 4087, 445, 474, 6, 85, 6932.
Photo Gallery

Sputnik 1Sputnik 1
Credit: Manufacturer Image



1957 February 15 - . Launch Vehicle: R-7.
1957 October 4 - . 19:28 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Sputnik 8K71PS.

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