BSB 2

United Kingdom

Spacecraft nº:

UK spacecraft nº: 22

Also called Marco Polo 2

Launch data:

Designation 20762 / 90074A
Launch date 18 Aug 1990
Launch site CC, LC-17B
Launch vehicleDelta-6925 (#198)
MissionDirect TV
Geostationary orbit on:
Perigee / Apogee  km
Eccentricity 
Inclination  deg
Period  min

Was sold in September 1992 and became Thor 1.

Location:

Begin End Position
L: 18 Aug 1990    
  Aug 1992 31°W
Sep 1992 ... Thor 1

Specifications:

Prime contractor Hughes
Platform HS-376
Mass at launch 1250 kg
Mass in orbit 660 kg
Payload mass 100 kg: transponders: 90 kg, antennas: 10 kg
Diameter 2.16 m
Height 2.7 m (7.2 m deployed)
Stabilization Spin stabilized
DC power BOL: 1024 W
Design lifetime 10 years
Beacon 12.494 or 12.495 GHz

Equipped with steerable antennas

Ku-band

Main transponders
Backup transponders
Power 2 x 55 W (TWTA)
Bandwidth 27 MHz
Coverage  
EIRP max 59 dBW
Polarization circular R
Frequencies Uplink:17.3-17.6 GHz
Downlink: 11.786-12.091 GHz

Ref.: #15 - update: 12.11.08 Home