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Astra 1G


Designation 25071 / 97076A
Launch date 2 Dec 1997
Country of origin Luxemburg
Mission Direct TV
Geostationary orbit see below
Launch vehicle Proton #254


Begin End Position
L: 2 Dec 1997 Feb 2009 19.2°E
Feb 2009 Jul 2010 23.5°E
Jul 2010 Jun 2014 31.5°E
Aug 2014 Feb 2016 59.9°E, inclined
Feb 2016 Jan 2017 62.8°E, inclined
Feb 2017 Jul 2018 51.1°E, inclined
Jul 2018 Aug 2019 57.2°E, inclined
Aug 2019 Dec 2020 63.2°E, inclined
Feb 2021 Jun 2023 19.4°E; inclined

End of life

Out of service Jun 2023
Cause Sent to junk orbit

Technical data

Lyngsat transponder loading

EIRP coverage (dBW)

Astra 1G


Prime contractor Hughes
Platform HS-601HP
Mass at launch 3379 kg
Mass in orbit 2485 kg
Dimension stowed: 3.3 x 3.3 x 5.5 m
Solar array 26 m span, gallium arsenide
Stabilization 3-axis
DC power 8000 W
Design lifetime 15 years

Uses a new aerial design consisting of 2 ultra lightweight reflectors using Hughes' proprietary Contured Surface Technonlogy. Instead of conventional chemical rocket motors, Astra 1G incorporates a Xenon ion-drive for high power and reduced launch weight. But for security both standard and Xenon propulsion was installed.

Ku-band (12.5-12.75 GHz)

Main transponders 16
Backup transponders  
Power 98.5 W (TWTA)
Bandwidth 26 MHz
Coverage Europe
EIRP max 52 dBW
Polarization linear H/V
Frequencies downlink: band G
uplink: ?

Ku-band, backup

Main transponders 18 for 1E or 22 for 1F
Backup transponders  
Power 98.5 W (TWTA)
Bandwidth 33 MHz
Coverage Europe
EIRP max 52 dBW
Polarization linear H/V
Frequencies Backup for band E & band F

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