Sputnik 1

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Sputnik 1
"Спутник-1"
Major contractors OKB-1, Soviet Ministry of Radiotechnical Industry
Mission type Atmospheric studies
Satellite of Earth
Orbits 1,440
Launch date 19:28:34, October 4, 1957 (UTC) (1957-10-04T19:28:34Z) (22:28:34 MSK)
Launch vehicle Sputnik Rocket
Mission duration 3 months
Orbital decay 4 January 1958
COSPAR ID 1957-001B
Home page NASA NSSDC Master Catalog
Mass 83.6 kg (184.3 lb)
Semimajor axis 6,955.2 km (4,321.8 mi)
Eccentricity 0.05201
Inclination 65.1°
Orbital period 96.2 minutes
Apoapsis 7,310 km (4,540 mi) from centre, 939 km (583 mi) from surface
Periapsis 6,586 km (4,092 mi) from centre, 215 km (134 mi) from surface

Launch of Sputnik 1 on R-7 October 4th 1957

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Sputnik 1 launch footage and simulation October 4th 1957

Sputnik 1 prototype in Energia museum

Sputnik internal schematic

Sputnik 1 R-7 schematic

Sputnik and fairing schematic

Sputnik in shroud

TASS report on Sputnik 1

The state commission on Earth’s first artificial satellite launch first row, from left to right: G. R. Udarov, I. T. Bulychev, A. G. Mrykin, M. V. Keldysh, S. P. Korolev technical manager, V. M. Rjabikov chairman of the commission, M. I. Nedelin, G.N. Pashkov, V.P. Glushko, V.P.Barmin, (second row) M.S. Rjazansky, K.N. Rudnev, N.A. Piljugin, S.M. Vladimirsky, and V.I. Kuznetsov.