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Hotbird 3


Also called Eurobird 4, Eutelsat W75 or ABS 1B

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.

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.

End of life


Out of service Jul 2011
Cause Moved to the junk orbit


sat-index articles


Technical data



EIRP coverage at 13°E (dBW)


Superbeam Horizontal
Superbeam Vertical
Widebeam Horizontal
Widebeam Vertical


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

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


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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