Astra 1H


International Sat. n:

Luxembourg spacecraft n: 9

Launch data:

Designation 25785 / 99033A
Launch date 18 Jun 1999
Launch site Baikonur, LC-81/23
Launch vehicle Proton-K/DM3 (#267)
MissionCommercial: Direct TV
Geostationary orbit:
Perigee / Apogee 35776 x 35794 km
Eccentricity 2.13E-04
Inclination 0.06 deg
Period 1436.04 min

Spacecraft data:

Prime contractor  Hughes
Platform  HS-601
Operator SES Astra
Mass at launch 3690 kg
Mass in orbit 2300 kg
Dimension stowed: 3.3 x 3.3 x 5.5 m
Solar array 26 m span, gallium arsenide
Stabilization 3-axis
DC power 6600 W
Design lifetime 15 years


 Apr 2009 19.20 ° E 

Tested at 22°E
XIPS propulsion

Ku-band backup

Main transponders 28 (30 for the first 5 years)
Backup transponders  
Power 98.5 W (TWTA)
Bandwidth 26 MHz in FSS, 33 MHZ in BSS
Coverage Western Europe
EIRP max 51 dBW
Polarization linear H/V
Frequencies Backup for band E & band F & band G


Main transponders 2
Backup transponders  
EIRP max  

Nortel will provide the ground systems and satellite terminals. The terminals will feature 60 to 120 cm antennas and transmit at speeds from 150 kbps to 2 Mbps.

Direct-to-home tv; multimedia; broadcasting; 32 Ku-band for first five years, 28 after; Europe.

Ref.: #15, #226 - update: 02.09.09 Home