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Luch 5B

Luch 5B
Model of Luch 5A at CeBIT in 2011
Mission typeCommunications
OperatorRoskosmos
COSPAR ID2012-061A[1]
SATCAT no.38977[1]
Mission duration10 years
Spacecraft properties
BusEkspress-1000AM[2]
ManufacturerJSC Information Satellite Systems
Launch mass1,148 kilograms (2,531 lb)
Start of mission
Launch date2 November 2012, 21:04 (2012-11-02UTC21:04Z) UTC
RocketProton-M/Briz-M
Launch siteBaikonur 81/24[1]
Orbital parameters
Reference systemGeocentric
RegimeGeosynchronous

Luch 5B (Russian: Луч-5Б meaning ray and sometimes transliterated as Loutch-5B) is a Russian Luch relay satellite which transmits data from the Russian Orbital Segment of the International Space Station, and from other satellites in low Earth orbit. It is in geosynchronous orbit.

Luch

Luch 5B is one of three Luch relay satellites. Luch 5A was launched on 11 December 2011 and Luch 5V was launched on 28 April 2014.[2] They are dual purpose satellites with both military and civil uses, and are similar to those in the US Tracking and Data Relay Satellite System.[3]

Luch 5B was built by JSC Information Satellite Systems using the Ekspress-1000A bus. It has 4 S and Ku band channels with repeaters manufactured by Thales Alenia Space and other equipment manufactured by Sumitomo. The Ku band antenna operates at up to 150 Mbit/s and the S band antenna at up to 5 Mbit/s. The satellite also has a "laser-radio channel".[2][4][5][6][7][8]

The satellite is designed to relay data from the ISS, satellites in low earth orbit and rocket launch vehicles.[5][7]

Luch 5B is located at 16° W.

Launch

Luch 5B was launched on 2 November 2012 with satellite Yamal 300K. It was launched from Baikonur Cosmodrome launchpad 81/24 by a Proton-M rocket with a Briz-M upper stage. It was launched at 21:04 UTC and after four burns of the Briz-M upper stage it was placed into geosynchronous transfer orbit at 06:33 UTC on 3 November.[1]

The launch was delayed from 30 August 2012 due to the failure of the launch of Telkom-3 and Ekspress MD2 in August 2012.[1]

References

  1. ^ a b c d e "2012-061". zarya.info. 2012. Retrieved 2012-11-03.
  2. ^ a b c "Luch 5B". Gunter's Space Page. 2010. Retrieved 2012-11-03.
  3. ^ "Russian Satellites Reach Orbit – Space Agency". RIA Novosti. 2012-11-03. Retrieved 2012-11-03.
  4. ^ "Loutch-5A and Loutch-5B DRSs". ISS Reshetnev. 2012-11-03. Retrieved 2012-11-04.
  5. ^ a b "Loutch-5B and Yamal-300K successfully launched". ISS Reshetnev. 2012-11-03. Retrieved 2012-11-04.
  6. ^ "Thales Alenia Space to supply repeaters equipment for Russian satellites Loutch-5A and Loutch-5B". Thales Alenia Space. 2007-06-19. Archived from the original on 2013-02-04. Retrieved 2012-11-04.
  7. ^ a b "Proton Successfully Delivers Loutch 5B and Yamal 300K Satellites to Orbit". Khrunichev. 2012-11-03. Retrieved 2012-11-04.
  8. ^ "Luch satellite". Russian Space Web. 2012-10-23. Retrieved 2012-11-04.
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