Hotbird 3

Also called Eurobird 4, Eutelsat W75 or ABS 1B

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General

Designation	24931 / 97049A
Launch date	2 Sep 1997
Country of origin	Europe
Mission	Telecommunications
Geostationary orbit	13°E
Launch vehicle	Ariane V99

Cost with launch and insurance: over $250 million

On 4 Oct 2006, the satellite experienced a problem at the end of the eclipse phase. Some solar array were damaged and there is permanent power loss.

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Location

Begin	End	Position
L: 2 Sep 1998	Oct 1997	29°E
Oct 1997	Oct 2006	13°E
Oct 2006	Dec 2006	10°E (Eurobird 10)
Jan 2007	Feb 2007	9°E
Mar 2007	Jan 2009	4°E (Eurobird 4)
Jan 2009	Jun 2009	4°E, inclined
Sep 2009	Nov 2009	76°E, inclined (Eutelsat W76)
Nov 2009	Jun 2011	75°E, inclined (Eutelsat W75, ABS 1B)

In Nov 2009, the satellite was co-located with other ABS satellites at 75°E to provide 8 additional transponders.

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End of life

Out of service	Jul 2011
Cause	Moved to the junk orbit

sat-index articles

Technical data

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EIRP coverage at 13°E (dBW)

Superbeam Horizontal
Superbeam Vertical
Widebeam Horizontal
Widebeam Vertical

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Specifications

Prime contractor	Matra Marconi Space
Platform	Eurostar-2000+
Mass at launch	2915 kg
Mass in orbit	1715 kg
Dry mass	1280 kg
Dimension
Solar array
Stabilization	3-axis
DC power	EOL: 5600 W
Design lifetime	12 years

Marquardt R-4D apogee engine
Beacon: 11.702800 GHz

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Ku-band

Main transponders	32
Backup transponders
Power	110 W
Bandwidth	19 transponders of 33 MHz 1 transponder of 49.5 MHz 12 transponders of 72 MHz (non-hotbird mission)
Coverage	Europe + mobile spot beam
EIRP max	Superbeam: 53 dBW Widebeam: 51 dBW
Polarization	linear H/V

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Transponder frequency chart (GHz)

Horizontal Uplink	Horizontal Downlink	Transponder	Vertical Downlink	Vertical Uplink	Bandwidth (MHz)	Remarks
	10.99167	20		14.29167	72
14.29167		25	10.99167		72
	11.07500	21		14.37500	72
14.37500		26	11.07500		72
	11.15833	22		14.45833	72
14.45833		27	11.15833		72
17.71108		70	12.1108		33	Steerable
	12.13026	71		17.73026	33	Steerable
17.74944		72	12.14944		33	Steerable
	12.16862	73		17.76862	33	Steerable
17.78780		74	12.18780		33	Steerable
	12.20698	75		17.80698	33	Steerable
17.82616		76	12.22616		33
	12.24534	77		17.84534	33	Steerable
17.86452		78	12.26452		33
	12.28370	79		17.88370	33
17.90288		80	12.30288		33
	12.32206	81		17.92206	33
17.94124		82	12.34124		33
	12.36042	83		17.96042	33
17.97960		84	12.37960		33
	12.39878	85		17.99878	33
18.01796		86	12.41796		33
	12.43714	87		18.03714	33
17.06591		88	12.46691		49.5	Steerable
	12.47550	89		14.07550	33
14.04861		45	12.54861		72/60
	12.54167	40		14.04167	72
14.12500		47	12.62500		72
	12.62500	42		14.12500	72
14.20833		49	12.70833		72
	12.70833	44		14.20833	72

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