Intelsat 603
Also called IS-603
General
| Designation | 20523 / 90021A |
| Launch date | 14 Mar 1990 |
| Country of origin | International |
| Mission | Telecommunications |
| Geostationary orbit | see below |
| Launch vehicle | Titan 3 #154 |
The satellite was repared (apogee kick motor changed) by STS 49 in May 1992.
Location
| Begin | End | Position |
| L: 14 Mar 1990 | May 1997 | LEO |
| May 1992 | Oct 1997 | 34.5°W |
| Nov 1997 | Aug 2002 | 24.5°W |
| Aug 2002 | Mar 2010 | 19.95°W, inclined |
| May 2010 | Jan 2013 | 11.5°E, inclined |
End of life
| Out of service | Jan 2013 |
| Cause | moved out of GEO |
sat-index articles
Technical data
Lyngsat transponder loading
Specifications
C-band
Ku-band
Transponder frequency plan
EIRP coverage at 20°W (dBW)
C-band
Ku-band
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V0.153 - Converted on Sat, 30 May 2026 09:52:31 GMT - Updated quarterly
V0.153 - Converted on Sat, 30 May 2026 09:52:31 GMT - Updated quarterly