Eutelsat W1R

Also called Eutelsat 3F1R or Eutelsat Ressat or Orion 2 or Eurobird 4A. Renamed Eutelsat 4A in 2012.

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General

Designation	26487 / 00052A
Launch date	6 Sep 2000
Country of origin	Europe
Mission	Telecommunications
Geostationary orbit	see below
Launch vehicle	Ariane V132

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Location

Begin	End	Position
L: 6 Sep 2000	Oct 2000	1.7°E
Oct 2000	May 2009	10°E
Jun 2009	Feb 2012	4°E

This satellite was first ordered as Orion 2 by Orion in 1997.

On 10 Aug 2005, the satellite experienced a power anomaly which resulted in a 9-hour outage. Half of the transponder capacity was lost (failure of a solar panel).

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End of life

Out of service	Feb 2012
Cause	Sent to junk orbit

sat-index articles

Technical data

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Lyngsat transponder loading

EIRP coverage (dBW)
G/T coverage (dB/K)

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Specifications

Prime contractor	Astrium
Platform	Eurostar 2000+
Mass at launch	3250 kg
Mass in orbit
Dry mass	1430 kg
Dimension	2.5 x 3.4 x 5 m
Solar array	31.7 m span
Stabilization	3-axis
DC power	EOL: 5900 W
Design lifetime	12 years

Beacons: 11.450500 or 11.451 + 12.500250 or 12.749750 GHz.
2 antennas.

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Ku-band

Main transponders	28
Backup transponders
Power	90 W
Bandwidth	4 transponders of 40 MHz 8 transponders of 54 MHz 4 transponders of 62 MHz 12 transponders of 72 MHz
Coverage	Europe, the Middle East, North Africa and western Asia. steerable: South Africa
EIRP max	fixed: 47 dBW steerable: 52 dBW
Polarization	linear
Frequencies	Uplink: 13.75-14.5 GHz Downlink: 10.95-11.2, 11.45-11.7 and 12.5-12.75 GHz

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Fixed transponder frequency chart (GHz)

Horizontal Uplink	Horizontal Downlink	Transponder	Vertical Downlink	Vertical Uplink	Bandwidth (MHz)
	10.99167	B1		14.29167	72
14.29167		B2	10.99167		72
	11.07500	B3		14.37500	72
14.37500		B4	11.07500		72
	11.15833	B5		14.45833	72
14.45833		B6	11.15833		72
13.77306		D1	11.47306		40
	11.47306	D2		13.77306	40
13.83977		D3	11.53977		62
	11.53977	D4		13.83977	62
13.90663		D5	11.60663		54
	11.60663	D6		13.90663	54
13.96888		D7	11.66888		54
	11.66888	D8		13.96888	54
	12.54167	F1		14.04167	72
14.04167		F2	12.54167		72
	12.62500	F3		14.12500	72
14.12500		F4	12.62500		72
	12.70833	F5		14.20833	72
14.20833		F6	12.70833		72

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Steerable transponder frequency chart (GHz)

Horizontal Uplink	Horizontal Downlink	Transponder	Vertical Downlink	Vertical Uplink	Bandwidth (MHz)
13.77306		D1S	11.47306		40
	11.47306	D2S		13.77306	40
13.83977		D3S	11.53977		62
	11.53977	D4S		13.83977	62
13.90663		D5S	11.60663		54
	11.60663	D6S		13.90663	54
13.96888		D7S	11.66888		54
	11.66888	D8S		13.96888	54

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