Yahsat 1A

Yahsat 1A is a communications satellite constructed by EADS Astrium and Thales Alenia Space for Al Yah Satellite Communications Company (Yahsat). It was launched in April 2011 from Arianespace's Guiana Space Centre in Kourou French Guiana in a dual payload launch with Intelsat New Dawn atop an Ariane 5 ECA rocket. Yahsat Y1A is based on the Eurostar E3000 satellite bus and had a launch mass of about 6000 kg. It is intended to provide Ku, Ka and C-band communications to the Middle East, Africa, Europe and Southwest Asia. It is in geosynchronous orbit at fifty three degrees East.[3][4][5]

Yahsat 1A
Spacecraft properties

Mission type	Communications
Operator	Yahsat
COSPAR ID	2011-016B
SATCAT no.	37393
Mission duration	15 years


Bus	Eurostar-3000
Manufacturer	EADS Astrium
Launch mass	5,965 kilograms (13,151 lb)
Power	15,000 watts


Start of mission
Launch date	22 April 2011, 21:37 (2011-04-22UTC21:37Z) UTC[1]
Rocket	Ariane 5ECA VA201
Launch site	Kourou ELA-3
Contractor	Arianespace


Orbital parameters
Reference system	Geocentric
Regime	Geostationary
Longitude	52.5° east
Perigee altitude	35,782 kilometres (22,234 mi)
Apogee altitude	35,802 kilometres (22,246 mi)
Inclination	0.00 degrees
Period	23.93 hours
Epoch	29 October 2013, 15:52:23 UTC[2]

References

McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 29 October 2013.
"YAHSAT 1A Satellite details 2011-016B NORAD 37393". N2YO. 29 October 2013. Retrieved 29 October 2013.
"Ariane ECA launches with Yahsat 1A and Intelsat on second attempt". NASASpaceFlight.com. 22 April 2011. Retrieved 28 December 2011.
">> yahsat - smart satellite solutions <<". Yahsat.ae. Retrieved 28 December 2011.
"Satellite Details - Yahsat 1A (Y1A, Yahsat Y1A)". SatBeams. 22 April 2011. Retrieved 28 December 2011.

Satellites operated by SES S.A.
SES fleet	Active: SES-1 2 3 4 5 6 7 8 9 10 11 (EchoStar 105) 12 14 15 16 (GovSat-1) Planned: SES-17
AMC fleet	Active: AMC-4 6 8 10 11 15 16 18 21 Backups: AMC-7 Retired: AMC-1 2 3 5 9 Failed launch: AMC-14
NSS fleet	Active: NSS-6 7 9 10 11 12 806 Retired: NSS-5 513 703 K Failed launch: NSS-8
Astra fleet	Active: Astra 1KR 1L 1M 1N 2E 2F 2G 3B 4A 5B Backups: Astra 1D 1F 1G 1H 2A 2B 2C 2D 3A Retired: Astra 1A 1B 1C 1E 5A Sirius 3 Failed launch: Astra 1K Orbital positions: 5.0°E 19.2°E 23.5°E 28.2°E 31.5°E Subsidiary: SES Astra
Third parties	Active: Ciel-2 MonacoSAT QuetzSat 1 Yahsat 1A

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Payloads are separated by bullets ( · ), launches by pipes ( | ). Crewed flights are indicated in bold text. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in (brackets).

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