Astra 1B

Luxembourg

International Sat. n°:

Luxembourg spacecraft n°: 2

Launch data:

Designation 21139 / 91015A
Launch date 02 Mar 1991
Launch siteKo, ELA-2
Launch vehicle Ariane-44LP (V42)
MissionDirect TV
Geostationary orbit on:
Perigee / Apogee  km
Eccentricity 
Inclination  deg
Period  min
Location 19.2°E

Should have been Satcom K3, order was cancelled and satellite reused for Astra.

Specifications:

Prime contractor GE Astro Space
Customer Société Européene de Satellites (Lux.)
Platform GE-5000
Mass at launch 2580 kg
Mass in orbit 1562 kg
Payload mass 354 kg: transponders: 308 kg, antennas: 46 kg
Dimension 2.2 x 2.9 x 2.3 m
Solar array 21.5 m span
Stabilization 3-axis
DC power BOL: equinox: 2790 W, solstice: 2567 W
Payload power 2136 W
Design lifetime 10 years
Beacon 11.45350 GHz vertical
11.69650 GHz horizontal

Ku-band (11.45-11.7 GHz)

Main transponders 16
Backup transponders 6
Power 60 W
Bandwidth 26 MHz
Coverage Europe
EIRP max 52.5 dBW
Polarization linear H/V
Frequencies downlink: band B
uplink: 14.0-14.25 GHz
Ref.: #14, #15, #100a - update:30.12.03 Home