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Luch 5A (Russian: Луч-5А meaning ray and sometimes transliterated as Loutch-5A) 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 5A
Model of Luch-5A at CeBIT in 2011
Mission typeCommunications
OperatorRoskosmos
COSPAR ID2011-074B[1]
SATCAT no.37951[1]
Mission duration10 years
Spacecraft properties
BusEkspress-1000A[2]
ManufacturerJSC Information Satellite Systems
Launch mass1,148 kilograms (2,531 lb)
Start of mission
Launch date11 December 2011, 11:17 (2011-12-11UTC11:17Z) UTC
RocketProton-M/Briz-M
Launch siteBaikonur 81/24[1]
Orbital parameters
Reference systemGeocentric
RegimeGeosynchronous
 

Luch


Luch 5A is one of three Luch relay satellites. Luch 5B was launched on 2 November 2012 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 5A was built by JSC Information Satellite Systems using the Ekspress-1000A bus. It has 6 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 relays COSPAS/SARSAT signals and Planet-S System data.[2][4][5][6][7]

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

Luch 5A is located at 167° E.


Launch


Luch 5A was launched on 11 December 2011 with satellite Amos-5. The Proton-M rocket with a Briz-M upper stage launched from Baikonur Cosmodrome launchpad 81/24 at 11:17 UTC. After four burns of the Briz-M upper stage it was placed into geosynchronous transfer orbit.[1]


References


  1. "2011-074". zarya.info. 2012. Retrieved 2012-11-06.
  2. "Luch 5A". Gunter's Space Page. 2010. Retrieved 2012-11-06.
  3. "Russia launches two telecoms satellites". RIA Novosti. 2012-11-06. Retrieved 2011-12-11.
  4. "Loutch-5A and Loutch-5B DRSs". ISS Reshetnev. 2012-11-03. Retrieved 2012-11-04.
  5. "AMOS-5 and Loutch-5A successfully launched". ISS Reshetnev. 2012-11-06. 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. "Luch satellite". Russian Space Web. 2012-10-23. Retrieved 2012-11-04.

На других языках

- [en] Luch 5A

[ru] Луч-5А

«Луч-5А» — российский телекоммуникационный спутник-ретранслятор, созданный АО «Информационные спутниковые системы» имени академика М. Ф. Решетнёва по государственному контракту с Федеральным космическим агентством России на основе легкой платформы «Экспресс-1000». «Луч-5А» стал первым из четырёх спутников, являющихся частью многофункциональной космической системы ретрансляции (МКСР) «Луч», наряду с «Луч-5Б», «Луч-5В» и экспериментальным «Енисей-А1» (ранее «Луч-4»)[6][7][8].


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