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Nimiq-4

Summary

Nimiq-4 is a Canadian geosynchronous communications satellite.[1] It was launched aboard a Proton-M / Briz-M launch vehicle at 21:48:00 UTC on 19 September 2008. It was positioned at 82.0° West longitude, and operated by Telesat Canada.[2]

Nimiq-4
Mission typeHigh-definition television (HDTV)
OperatorTelesat Canada
COSPAR ID2008-044A Edit this at Wikidata
SATCAT no.33373
Mission duration15 years (planned)
Spacecraft properties
Spacecraft typeNimiq
BusEurostar-3000S
ManufacturerEADS Astrium
Launch mass4,850 kg (10,690 lb)
Power12 kW
Start of mission
Launch date19 September 2008,
21:48:00 UTC
RocketProton-M / Briz-M
Launch siteBaikonur, Site 200/39
ContractorInternational Launch Services (ILS)
Orbital parameters
Reference systemGeocentric orbit
RegimeGeostationary orbit
Longitude82.0° West
Transponders
Band32 Ku-band, 8 Ka-band
Coverage areaNorth America
← Nimiq-3
Nimiq-5 →
 

Spacecraft edit

The satellite was constructed by EADS Astrium, using a Eurostar-3000S bus.[3] It is powered by two solar panels, with a span of 39 m (128 ft), producing 12 kW of power. The launch mass of the satellite is 4,850 kg (10,690 lb), with fuel. It carries 40 transponders, 32 of which operate in the Ku-band, and 8 which operate in the Ka-band. It provides digital HDTV to Canada and United States.[2]

See also edit

References edit

  1. ^ "Trajectory: Nimiq 4 2008-044A". NASA. 14 May 2020. Retrieved 10 February 2021.   This article incorporates text from this source, which is in the public domain.
  2. ^ a b "Display: Nimiq 4 2008-044A". NASA. 14 May 2020. Retrieved 10 February 2021.   This article incorporates text from this source, which is in the public domain.
  3. ^ Krebs, Gunter (11 December 2017). "Nimiq 4". Gunter's Space Page. Retrieved 10 February 2021.