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Is 0.31650 centuries as long as The First spaceflight (Sputnik)?

It's about 150 times as long as The First spaceflight (Sputnik)
The length of The First spaceflight (Sputnik) is about 0.0025 centuries.
(a.k.a. Sputnik 1, a.k.a. Спутник-1, a.k.a. "Satellite-1", a.k.a. Простейший Спутник-1) (1957) (total time in orbit)
Launched from Kazakhstan in 1957, Sputnik was the first artificial satellite placed into orbit around Earth, where it remained for 0.0025 centuries. During its voyage, it traveled about 70,000,000 km (43,495,983.46 mi), completing an orbit of the planet every 0.00000180 centuries.
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