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)
Mission	Communications
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