Comparison of the Arabsat series 4 satellites.

 

Arabsat 4A and 4B were ordered on 21 st October 2003. They will be launched by Proton rockets in 2005 & 2006.

Further details will be added as they become available.

 

The main satellite comparison index

Satellite: 4 A
(Badr 1)
4 B
(Badr 4)
4AR
(Badr 6)
.. note 1 .
Launch 28 / 2 / 2006 8 / 1 / 2006 7 / 7 / 2008
Launch Location Baikonur Baikonur
Launch Mass (kg) 3300 3300 3346
Expected Lifetime (years) 15 15 15
Power Consumption (watts) 6000 7000 6000
Transponder Capacity at launch 24 C-band
16 Ku-band
28 Ku-band 24(+6) C-band
20 Ku-band
TWTA Output (watts) ? ? ?
Transponder Bandwidth (MHz) ? 12x36
20x34
36 C-band
34 Ku-band
Channels (MHz) ? 11700-12500
12500-12750
3700-4200
11700-12500
Current Location deorbited into Pacific 26°E 26°E
Decommission Date 25 / 3 / 2006 2021 2023
Manufacturer / Spacecraft type Astrium Eurostar 2000+ Astrium Eurostar 2000+ Astrium Eurostar 2000+
Stabilisation type 3-axis 3-axis 3-axis

 

Notes:

1    Launch failure stranded 4A in a low earth orbit. The Proton appears to have suffered a 4th stage failure. De-orbited 25/3/2006 into the Pacific

 

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