Intelsat K

Also called Intelsat Star and NSS K

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General

Designation	21989 / 92032A
Launch date	10 Jun 1992
Country of origin	International
Mission	Telecommunications
Geostationary orbit	21.5°W
Launch vehicle	Atlas Centaur

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

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End of life

Out of service	Aug 2002
Cause	Sent to the junk orbit

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External resources

sat-index articles

Technical data

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Lyngsat transponder loading

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EIRP coverage (dBW)

America (dBW)
Europe (dBW)

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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

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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)

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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

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