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Express AM22


Also called Eutelsat Sesat 2

General


Designation 28134 / 03060A
Launch date 28 Dec 2003
Country of origin CIS
Mission Telecommunications
Geostationary orbit Express-05, 53°E
Launch vehicle Proton #305

Became operational on 9 Mar 2004. Eutelsat leased 12 transponders for their lifetime.

Gyroscopes problems are rumored from Dec 2007 on. Insured for $107 million.

Location


Begin End Position
L: 28 Dec 2003 Jul 2015 Express-05, 53°E
Aug 2015 Mar 2017 Express-06, 80°E
Mar 2017   Express-06, 80°E, inclined


External resources


sat-index articles


Technical data


Lyngsat transponder loading



EIRP coverage (dBW)


C-band: Fixed beam
C-band: Wide fixed beam
Ku-band: beam 1
Ku-band: beam 2

Specifications


Prime contractor NPO PM (bus only)
Platform Express-727M
Mass at launch 2600 kg
Payload mass 590 kg
Dimension  
Solar array  
Stabilization 3-axis
DC power 6000 W
Design lifetime 12 years

Payload built by Alcatel Space.
Beacon: 11.200 GHz RHCP (12 dBW)

Ku-band


Main transponders 24
Backup transponders
Power 103.5 W
Bandwidth 54 MHz
Coverage & EIRP max fixed beam: Europe: triangle formed by Spain, Irak and European part of Russia
wide fixed beam: Europe, most of the Middle East, Central Asia, 2/3 of Russia
steerable 1 (4° x 4°)
steetable 2 (3.5° x 7°)
EIRP max fixed beam: Europe: 50 dBW
wide fixed beam: 48 dBW
steerable 1: 52 dBW
steetable 2: 50 dBW
G/T max fixed beam: Europe: +6 dB/K
wide fixed beam: +4 dB/K
steerable 1: +8 dB/K
steetable 2: +5 dB/K
Polarization linear H/V cross-pol


Ku-band Transponder frequency chart (GHz)


Horizontal
Uplink
Horizontal
Downlink
Transponder Vertical
Downlink
Vertical
Uplink
  10.98125 B1   14.28125
14.28125   B2 10.98125  
  11.04375 B3   14.34375
14.34375   B4 11.04375  
  11.10625 B5   14.40625
14.40625   B6 11.10625  
  11.16875 B7   14.46875
14.46875   B8 11.16875  
         
14.03125   D1 11.48125  
  11.48125 D2   14.03125
14.09375   D3 11.54375  
  11.54375 D4   14.09375
14.15625   D5 11.60625  
  11.60625 D6   14.15625
14.21875   D7 11.66875  
  11.66875 D8   14.21875
         
13.78125   A1 12.53125  
  12.53125 A2   13.78125
13.84375   A3 12.59375  
  12.59375 A4   13.84375
13.90625   A5 12.59375  
  12.59375 A6   13.90625
13.96875   A7 12.71875  
  12.71875 A8   13.96875


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