Express-A 3

Multinational

Also called Express-3A

Launch data:

Designation26378 / 00031A
Launch date24 Jun 2000 - 00:28 UT
Launch site Baik, LC200/39
Launch vehicleProton-K/DM-2M (#276)
MissionCommercial: Communications
Geostationary orbit:
Perigee / Apogee 35772 x 35801 km
Eccentricity 3.44E-04
Inclination 0.5 deg
Period 1436.1 min

Intersputnik operates part of the transponders, the rest is handled by RSCC.

Entered service in mid-Aug 2000

The Ku-band capacity is leased for the lifetime by Eutelsat. At the same time in July 2000 it is announced a joint venture between RSCC and Eutelsat will launch Eutelsat Sesat 2 into 40°E in 2002.

Specifications:

Prime contractorNPO-PM/Alcatel (payload)
Platform 
Operator EUTELSAT
Mass at launch2600 kg
Mass in orbit 
Basic shape  Cylidrical + 2 panels
Dimension long= 5m, dia= 2m
Solar array 26.5 span
Stabilization3-axis
DC power2540 W (with full eclipse protection)
Design lifetime10 years

Location:

DatePositionRemarks
  11.0° W 
 Oct 2009 10.95° W 


Telemetry, tracking and control are handled by Vladimir MS Satellite Operations Center, Russia. Monitoring and day-to-day operations are handled by Vladimir MS (Express-A1) and Dubna MS (Express-A2), Russia

Antenna specifications:

Antenna Frequency band Function Coverage Beam width Steerability (degrees)
          North/South West/East
A2 C  transmit spot 5°x5° 8.0/4.0 8.0/4.0
A3 C  transmit quasi global 15°x15° none none
A4 C  transmit zone 5°x11° 8.0/8.0 8.0/8.0
A6 C  transmit zone 5°x11° 8.0/8.0 8.0/8.0
A7 C  receive global 17x17° none none
A8 C  receive zone 5°x11° 8.0/8.0 8.0/8.0
A9 Ku receive and transmit zone 3.5°x7° 7.3/0 4.0/4.0

C-band:


Main transponders 12
Backup transponders  
Power 20, 40 and 75 W
Bandwidth 11 x 36 MHz
1 x 40 MHz
Coverage global, zone and spot
EIRP max 48 dBW
G/T max 02 dB/K
Polarization circular
Frequencies uplink: 5.925-6.525 GHz
downlink: 3.600-4.200 GHz
Beacon 3.800 GHz

Ku-band:


Main transponders 5 
Backup transponders 1 
Power 35 W
Bandwidth 36 MHz
Coverage zone
EIRP max 43.5 dBW
G/T max 5.3 dB/K
Polarization linear
Frequencies uplink: 14.250-14.500 GHz
downlink: 11.450-11.700 GHz
Beacon 11.400 GHz

Comments:

Data transmission, TV and radio broadcasting, communications, Internet, video-conference, and others; digital format throughout Russia.
Ref.: #7, #15, #206, #226 - update: 25.03.10 Home