picture of the encyclopedia
previous next
Focus
Version 0.81 comes with a new web design! Please allow popups for navigation.

Astra 1D



General


Designation 23331 / 94070A
Launch date 1 Nov 1994
Country of origin Luxemburg
Mission Direct TV
Geostationary orbit see below
Launch vehicle Ariane V69


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 Nov 2003 24.2°E
Nov 2003 Aug 2004 23.0°E
Sep 2004 Oct 2007 23.5°E
Nov 2007 Jun 2010 31.0°E, inclined
Aug 2010 Apr 2011 1.8°E, inclined
May 2011 Nov 2011 28.2°E, inclined
Feb 2012 Jun 2012 40.5°W, inclined
Jul 2012 Apr 2013 23.1°E, inclined
Jun 2013 Jan 2014 52°E, inclined
    drifting West


sat-index articles


Technical data


Lyngsat transponder loading


EIRP coverage (dBW)


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

Specifications


Prime contractor Hughes
Platform HS-601
Mass at launch 2924 kg
Mass in orbit 1700 kg
Dimension stowed: 2.7 x 3.2 x 4.3 m
Solar array 21 m span
Stabilization 3-axis
DC power BOL: 3500 W
Design lifetime 13 years
Beacon 11.44750 vertical
11.45200 horizontal

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

© TBS Internet, all rights reserved. All reproduction, copy or mirroring prohibited. Legal notice
francais anglais contact