Astra 1D

Luxembourg

International Sat. n°:

Luxembourg spacecraft n°: 4

Launch data:

Designation23331 / 94070A
Launch date01 Nov 1994 - 00:37 UT
Launch site Ko, ELA-2
Launch vehicle:Ariane-42P (V69)
Mission Commercial: Communications / Direct TV
Geostationary orbit on:
Perigee / Apogee 35776 x 35795 km
Eccentricity 2.25E-04
Inclination 1.15 deg
Period 1436.08 min

Spacecraft data:

Prime contractor  Hughes
Platform  HS-601
Operator SES Astra
Mass at launch  2924 kg
Dry Mass 1700 kg
Basic shape  
Dimension (m) stowed: 2.7 x 3.2 x 4.3 m
Solar array  21m span
Stabilization  3 axis
DC power  3300 W
Beacon11.44750 vertical
11.45200 horizontal
Design lifetime  15 yrs - still active

Location:

Begin End Position
L: 1 Nov 1994 Feb 1998 19.2°E
Mar 1998 Oct 1998 28.2°E
Nov 1998 Nov 1999 19.2°E
Dec 1999 Jan 2001 28.2°E
Feb 2001 24.2° E
April 2009 31.20° E

To enable the move from 19.2°E to 28.2°E, all services of the satellite were moved to Astra 1E & Astra 1G.
Launched with the PVA (Perigee Velocity Augmentation) technic: initial parameters were 199.4/31123 km.

Ku-band (10.7-10.95 GHz)

Main transponders 14
Backup transponders 6?
Power 63 W
Bandwidth 26 MHz
Coverage Europe
EIRP max 52 dBW
Polarization linear H/V
Frequencies downlink: band D
uplink: 12.75-13.0 GHz

Ku-band (11.7-12.1 GHz), Astra 1E backup

Main transponders 4
Backup transponders 18
Power 63 W
Bandwidth 33 MHz
Coverage Europe
EIRP max 52 dBW
Polarization linear H/V
Frequencies downlink: band E
uplink: 17.3-17.7 GHz

Backup for band B & band C
Ref.: #7, #15, #226 - update: 27.05.09 Home