Sputnik 1

195758 cm diameterTest satellite

LocationSpace (LEO)

Year1957

Size58 cm diameter

TypeTest satellite

About Sputnik 1

The first artificial satellite. Launched by the Soviet Union on October 4, 1957. Orbited Earth every 96 minutes. Its radio beep was heard worldwide. Burned up in the atmosphere in January 1958. Started the Space Race between the USA and USSR.

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Vanguard 1

1958Test satellite

The oldest human-made object still in orbit. Launched March 17, 1958, the second American satellite....