Sputnik 1
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Revision as of 21:59, 30 November 2009
Image:Sputnik asm.jpg | |
Major contractors | OKB-1, Soviet Ministry of Radiotechnical Industry |
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Mission type | Atmospheric studies |
Satellite of | Earth |
Orbits | 1,440 |
Launch date | 19:28:34, October 4, 1957 (UTC)MSK) | (22:28:34
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 |