Brasilsat B2

Brazil

Spacecraft n°:

Brazilian spacecraft n°: 6

Also called SBTS B2 - Renamed: Star One B2

Launch data:

Designation 23536 / 95016A
Launch date28 Mar 1995 - 23:14:19 UT
Launch siteKo, ELA-2
Launch vehicleAriane-44LP (V71)
MissionMilitary/Commercial: Communications
Geostationary orbit on:
Perigee / Apogee 35776 x 35797 km
Eccentricity 2.49E-04
Inclination 0.84 deg
Period 1436.11 min

Spacecraft data:

Prime manufactor Hughes
Platform HS-376W
Operator EMBRATEL / Star One (SES)
Mass at launch  1780 kg
Mass in orbit 1052 kg BOL
Basic shape  
Dimension (m) 
Equipment 28 active C-band transponders (all), 1 X-band transponder (#B1, 2 only)
Solar array Solar cells (body mounted and drop-skirt)
Stabilization  
Propulsion R-4D-11
DC power  1800 W (BOL)
Design lifetime  12 yrs

Location:

BeginPositionRemarks
  65°WShould move to 84°W
 ~17 Jan 2008 295° Emanoeuvred off-station
 Oct 2009  92.02° W 

End of live:

Out of service:  31 July 2012
Cause:  

C-band

Main transponders 28
Backup transponders  
Power 24 x 13 W
4 x 15.5 W
Bandwidth 27 x 36 MHz
1 x 33 MHz (1AE)
Coverage Brasil: National
Brasil: Regional
Argentina
National combined
Regional combined
EIRP max 38 dBW
G/T max -2.5 dB/K
Polarization linear H/V

Beacon: 4.1990 & 4.1995 GHz horizontal

Transponder frequency chart (GHz)

Horizontal
Uplink 		Horizontal
Downlink 		Channel Vertical
Downlink 		Vertical
Uplink 		Beam
  3.6415 1AE   5.8665 National, Regional, Regional combined
5.885   1BE 3.660  National, Regional
  3.680 2AE   5.905 National,Regional
5.925   2BE 3.700  National,Regional
  3.720 1A   5.945 National,Argentina,National combined
5.965   1B 3.740  National
  3.760 2A   5.985 National,Argentina,National combined
6.005   2B 3.780  National
  3.800 3A   6.025 National,Argentina,National combined
6.045   3B 3.820  National
  3.840 4A   6.065 National,Argentina,National combined
6.085   4B 3.860  National
  3.880 5A   6.105 National,Argentina,National combined
6.125   5B 3.900  National
  3.920 6A   6.145 National,Argentina,National combined
6.125   6B 3.940  National
  3.960 7A   6.185 National,Argentina,National combined
6.205   7B 3.980  National
  4.000 8A   6.225 National,Argentina,National combined
6.245   8B 4.020  National
  4.040 9A   6.265 National,Argentina,National combined
6.285   9B 4.060  National
  4.080 10A   6.305 National,Argentina,National combined
6.325   10B 4.100  National
  4.120 11A   6.345 National,Argentina,National combined
6.365   11B 4.140  National
  4.160 12A   6.385 National,Argentina,National combined
6.405   12B 4.180  National

Ref.: #7(JR670), #225, #226 - update: 15.10.12 Home