Feedhuntplaza Satellite Tracker

19,2 EAST - ASTRA 1K

NEDERLANDS

	FEED TRANSPONDERS

Date of Launch	25 - 11- 2002
Launch Vehicle	Proton Flight 298

Astra's mega satellite will replace Astra 1B and provide backup for Astra 1A, 1C and 1D. Will provide increased coverage in Eastern Europe and the CIS. It will also implement ARCS (Astra Return Channel System); this uses Ka-band to receive signals from satellite uplink systems on homes and businesses. The hardware needed on the client end is a simple as a 30 cm dish and a cheap transmitter.

The satellite and launch is said to cost $280 million. It might be insured for upto $217 million.

END OF LIFE:

Out of service 25 Nov 2002

Cause The upper stage of the rocket failed to put the satellite in GTO and left it in a 176 km circular orbit.

Decay 10 Dec 2002 over the Pacific

SPECIFICATIONS SATELLITE:

Prime contractor Aerospatiale

Platform Spacebus-3000B3S (4000 bus but with older 3000B3 avionics)

Mass at launch 5250 kg

Mass in orbit

Payload mass 680 kg

Dimensions 7.6 m height, 37 m span deployed

Solar array 6 solar panels

Stabilization 3-axis

DC power EOL 13000 W

Design lifetime 13-19 years

SPECIFICATIONS KU BAND TRANSPONDERS:

Main transponders 52 (46 after 5 years)

Backup transponders 7

Power 105 W (TWTA)

Bandwidth 26 MHz

Coverage & max EIRP Mission 1: replacement & backup for Ku-low-band: 52 dBW
Mission 2: Continental Europe & UK: 53.5 dBW

G/T max

Polarization linear /HV

Frequencies Any in band A, band B, band C & band D

SPECIFICATIONS KA BAND TRANSPONDERS:

Main transponders 2

Backup transponders

Power 66 W (TWTA)

Bandwidth 500 MHz

Coverage multiple spot beams (16 beams)

EIRP max 55 dBW

G/T max

Polarization

INFORMATION ABOUT PROTON FLIGHT 267:

Baikonur, Kazakhstan

298 02053 Astra 1K 25 Nov 2002 at 23:04 UT K Block-DM3C Failure: the DM3C stage's engine experienced excessive temperatures and was destroyed during second ignition.

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