Intelsat K

INTELSAT / US

Spacecraft n:

INTELSAT spacecraft n: 48

Also called Intelsat Star and NSS-K

Launch data:

Designation: 21989 / 92032A
Launch date 09 Jun 1992
Launch site CC, LC-36B
Launch vehicle  Atlas-2A (AC-105)
MissionCommunications
Geostationary orbit on:
Perigee / Apogee  km
Eccentricity 
Inclination  deg
Period  min
Location 21.5°W

First Intelsat Ku-band only satellite for TV channels transmission. This satellite is a modified Satcom K bought to respond to urgent needs over Atlantic (should have been Satcom K4).

Transfered to NSS on 30 Nov 1998

End of life

Out of service Aug 2002
Cause Retired


Specifications:

Prime contractor GE Astro Space
Platform GE-5000
Mass at launch 2836 kg
Mass in orbit 1547 kg
Dimension 2.84 x 2.26 x 2.18 m
Solar array 31.2 m span
Stabilization 3-axis
DC power BOL: 4800 W
EOL: equinox: 3639 W
Design lifetime 10 years


Ku-band:

Main transponders 16
Backup transponders  
Power 62.5 W (TWTA)
Bandwidth 54 MHz
Coverage and EIRP
(beam peak to outer edge)
Europe: 50.5-47 dBW
United States: 52.2-47 dBW
South America: 47.7-45 dBW
North & South America: 45.5-42.7 dBW
G/T
(beam peak to outer edge)
Europe: +7.3 - +3.0 dB/K
United States: +7.3 - +3.0 dB/K
South America: +10 - +3.0 dB/K
North America + Europe: +4 - -0.3 dB/K
Polarization linear H/V
Frequencies Uplink: 14.00-14.50 GHz
Downlink: 11.45-11.70 GHz (all beams)
11.70-11.95 GHz (Americas)
12.50-12.75 GHz (Europe)

Beacons: 11.452 & 11.699 GHz (polarization H to North America and V to South America and Europe)

Transponder frequency chart (GHz)

Uplink Downlink
NAH
Downlink
EUV
Downlink
EUH
Downlink
SAV
Possible combined downlink
14.035 11.735 12.535   11.735 (NAH + SAV)
14.095 11.795 12.595   11.795 (NAH + SAV)
14.155 11.855 12.655   11.855 (NAH + SAV)
14.215 11.915 12.715   11.915 (NAH + SAV)
14.285 11.485 11.485 11.485 11.485 (NAH + SAV) (NAH + EUV) (NAH + EUV + SAV)
14.345 11.545 11.545 11.545 11.545 (NAH + SAV) (NAH + EUV) (NAH + EUV + SAV)
14.405 11.605 11.605 11.605 11.605 (NAH + SAV) (NAH + EUV) (NAH + EUV + SAV)
14.465 11.665 11.665 11.665 11.665 (NAH + SAV) (NAH + EUV) (NAH + EUV + SAV)

NAH = North America Horizontal; EUV = Europe Vertical; EUH = Europe Horizontal; SAV = South America Vertical

Ref: #15 - update: 16.11.08