| Name of Satellite, Alternate Names | Eutelsat 48C (Eutelsat 21A, W-6, Eutelsat W-3) |
| Country of Operator/Owner | Multinational |
| Operator/Owner | European Telecommunications Satellite Consortium (EUTELSAT) |
| Users | Commercial |
| Purpose | Communications |
| Class of Orbit | GEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | 48 |
| Perigee (km) | 35770 |
| Apogee (km) | 35802 |
| Eccentricity | 0.000379542651105418 |
| Inclination (degrees) | 0.07 |
| Period (minutes) | 1436.09 |
| Launch Mass (kg.) | 2490 |
| Dry Mass (kg.) | 1380 |
| Power (watts) | 5800 |
| Date of Launch | 12-04-1999 |
| Expected Lifetime | 12 yrs. |
| Contractor | Alcatel Space Industries |
| Country of Contractor | France |
| Launch Site | Guiana Space Center |
| Launch Vehicle | Ariane 4 |
| COSPAR Number | 1999-018A |
| NORAD Number | 25673 |
| Comments | Broadcasting, telecommunications, direct-to-home tv, business services; 24 Ku-band transponders; Europe, Atlantic Islands, North Africa, Middle East, Central Asia. |