Sputnik 1

Frae Wikipedia
Jump to navigation Jump to search
Sputnik 1
Sputnik 1.jpg
Replica o Sputnik 1
Mission type Technology demonstration
Operator Soviet space programme
Harvard designation 1957 Alpha 2
COSPAR ID 1957-001B
SATCAT № 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
Start o mission
Launch date 4 October 1957, 19:28:34 (1957-10-04UTC19:28:34) UTC[2]
Rocket Sputnik 8K71PS[3]
Launch steid Baikonur 1/5[3]
End o mission
Disposal Orbital decay
Last contact 26 October 1957 (1957-10-27)[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]

  1. Anatoly Zak (2015). "Sputnik's mission". RussianSpaceWeb.com. Anatoly Zak. Retrieved 27 December 2015. 
  2. 2.0 2.1 "Sputnik 1: Trajectory Details". National Space Science Data Center. NASA. Retrieved 8 January 2017. 
  3. 3.0 3.1 3.2 "Sputnik 1". Encyclopedia Astronautica. Retrieved 8 January 2017. 
  4. "Sputnik". vibrationdata.com. Retrieved 8 March 2008. 
  5. Siddiqi, p. 155.