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Astra 1A


Designation 19688 / 88109B
Launch date 11 Dec 1988
Country of origin Luxemburg
Mission Direct TV
Geostationary orbit see below
Launch vehicle Ariane V27

TV programs started on 5 Feb 1989. In 1994 a few transponders were taken over by Astra 1C because of technical problems. Insurers paid $26.5 million for a lost of power on the satellite in 1999.

Ended commercial service at 19.2°E in July 2001. Available for feeds and occasional use since then.


Begin End Position
L: 11 Dec 1988 Jul 2001 19.2°E
Jul 2001 Nov 2001 19.4°E
Dec 2001 Dec 2004 5.2°E, inclined

End of life

Out of service Dec 2004
Cause moved to the junk orbit

External resources

sat-index articles

Technical data

EIRP coverage (dBW)

Horizontal polarization mode 1
Horizontal polarization mode 2
Vertical polarization mode 1
Vertical polarization mode 2


Prime contractor GE Astro Space
Platform GE-4000
Mass at launch 1800 kg
Payload mass 230 kg: transponders: 184 kg, antennas: 46 kg
Dimension 2.9 x 1.6 x 1 m
Solar array 19.3 m span
Stabilization 3-axis
DC power BOL: equinox: 2236 W, solstice: 2057 W
Payload power 1674.4 W
Design lifetime 10 years
Beacon 11.20300 GHz vertical
11.44650 GHz horizontal

Ku-band (11.2-11.45 GHz)

Main transponders 16
Backup transponders
Power 45 W
Bandwidth 26 MHz
Coverage Europe
EIRP max 50 dBW
Polarization linear H/V
Frequencies downlink: band A
uplink: 14.25-14.5 GHz

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