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Wednesday, September 6, 2023

Arabsat 5A at 30.5°E Ku Band Footprints East MENA BEAM

 Arabsat 5A at 30.5°E Ku Band Footprints East MENA BEAM




Arabsat-5A

Arabsat-5A was constructed by Astrium, and is based on the Eurostar-3000 satellite bus. It has a mass of 4,800 kilograms (10,600 lb), and carries forty transponders; sixteen broadcasting in the G/H band of the NATO-defined spectrum, or the C band of the IEEE-defined spectrum, and twenty four operating in the NATO J band or the IEEE Ku band.[4] Its solar arrays are expected to generate around 12 kilowatts of power at the beginning of the satellite's design life, and around 11 kilowatts at the end of it.

Arabsat-5A was launched by Arianespace using an Ariane 5ECA carrier rocket lifting off from ELA-3 at the Guiana Space Centre in Kourou, French Guiana. The first attempt to launch it occurred on 23 June 2010, however the launch was scrubbed due to a problem with one of the rocket's subsystems. A subsequent attempt on 24 June was also scrubbed, due to a problem with the pressurisation of the rocket's fuel tanks. The launch occurred at 21:41 UTC on 26 June 2010. The South Korean COMS-1 satellite was launched by the same rocket, with a SYLDA adaptor being used to separate the spacecraft. Arabsat-5A was mounted atop the SYLDA, with COMS-1 underneath it.

Following launch, Arabsat-5A separated into a geosynchronous transfer orbit. It then use an apogee motor to raise itself into geostationary orbit. Once it reached geostationary orbit, it underwent testing before beginning operations at a longitude of 30.5 degrees East, where it replaced Arabsat-2B. It is expected to operate for fifteen years.

Arabsat-5A
Mission type Communication
Operator Arabsat
COSPAR ID 2010-032BEdit this at Wikidata
SATCAT no. 36745
Website arabsat.com/pages/Arabsat5A.aspx
Mission duration 15 years
Spacecraft properties
Bus Eurostar-3000
Manufacturer Astrium
Launch mass 4,800 kilograms (10,600 lb)
Power 11-12 kilowatts
Start of mission
Launch date 26 June 2010, 21:41 UTC[1]
Rocket Ariane 5ECA
Launch site Kourou ELA-3
Contractor Arianespace
Orbital parameters
Reference system Geocentric
Regime Geostationary
Longitude 30.5° East
Perigee altitude 35,779 kilometres (22,232 mi)
Apogee altitude 35,807 kilometres (22,249 mi)
Inclination 0.05 degrees
Period 23.93 hours
Epoch 24 December 2013, 06:06:12 UTC[2]
Transponders
Band 16 G/H band (IEEE C band)
24 J band (IEEE Ku band)
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