Sputnik 1
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 Replica o Sputnik 1 | |
| Mission teep | Technology demonstration |
|---|---|
| Operator | Soviet space programme |
| Harvard designation | 1957 Alpha 2 |
| COSPAR ID | 1957-001B |
| SATCAT no. | 00002 |
| Mission duration | 21 days |
| Orbits completit | 1440[1] |
| Spacecraft properties | |
| Manufacturer |
OKB-1 Meenistry o Radiotechnical Industry |
| Launch mass | 83.6 kg (184 lb) |
| Dimensions | 58 cm (23 in) diameter |
| Pouer | 1 watt |
| Stairt o mission | |
| Launch date | 4 October 1957, 19:28:34 UTC[2] |
| Rocket | Sputnik 8K71PS[3] |
| Launch steid | Baikonur 1/5[3] |
| End of mission | |
| Disposal | Orbital decay |
| Last contact | 26 October 1957[4] |
| Decay date | 4 Januar 1958[3] |
| Orbital parameters | |
| Reference seestem | Geocentric |
| Regime | Law Yird |
| Semi-major axis | 6,955 km (4,322 mi) |
| Eccentricity | 0.05201 |
| Perigee | 215 km (134 mi) |
| Apogee | 939 km (583 mi) |
| Inclination | 65.1° |
| Period | 96.2 minutes |
| Epoch | 4 October 1957, 15:12:00 UTC[2] |
Sputnik 1 (Roushie: Спутник-1 [ˈsputnʲɪk] "Satellite-1", or ПС-1 ["PS-1", i.e., Roushie: Простейший Спутник-1, Prosteyshiy Sputnik-1, "Elementary Satellite 1"])[5] wis the first airtifeecial Yird satellite. The Soviet Union launched it intae an elliptical law Yird orbit on 4 October 1957.
References[eedit | eedit soorce]
- ↑ Anatoly Zak (2015). "Sputnik's mission". RussianSpaceWeb.com. Anatoly Zak. Retrieved 27 December 2015.
- ↑ 2.0 2.1 "Sputnik 1: Trajectory Details". National Space Science Data Center. NASA. Retrieved 8 January 2017.
- ↑ 3.0 3.1 3.2 "Sputnik 1". Encyclopedia Astronautica. Retrieved 8 January 2017.
- ↑ "Sputnik". vibrationdata.com. Retrieved 8 March 2008.
- ↑ Siddiqi, p. 155.
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