| Name of Satellite, Alternate Names | Intelsat 603 (Intelsat 6 F-3, IS-603) |
| Country of Operator/Owner | USA |
| Operator/Owner | Intelsat, Ltd./New Skies Satellites N.V. [SES] (shared capacity) |
| Users | Commercial |
| Purpose | Communications |
| Class of Orbit | GEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | 19.84 |
| Perigee (km) | 35778 |
| Apogee (km) | 35795 |
| Eccentricity | 0.000201629641929477 |
| Inclination (degrees) | 5.99 |
| Period (minutes) | 1436.12 |
| Launch Mass (kg.) | 4200 |
| Dry Mass (kg.) | 2546 |
| Power (watts) | 2500 |
| Date of Launch | 14-03-1990 |
| Expected Lifetime | 13 yrs. |
| Contractor | Hughes Space and Communications Group |
| Country of Contractor | USA |
| Launch Site | Guiana Space Center |
| Launch Vehicle | Ariane 44L |
| COSPAR Number | 1990-021A |
| NORAD Number | 20523 |
| Comments | Inclined orbit; 64 C-band, 24 Ku-band; Broadcasting, business services, direct-to-home TV broadcasting, telecommunications, VSAT networks; Pacific Ocean region. |