| Name of Satellite, Alternate Names | Meteosat 8 (MSGalaxy-1, MSG-1) |
| Country of Operator/Owner | Multinational |
| Operator/Owner | EUMETSAT (European Organization for the Exploitation of Meteorological Satellites) |
| Users | Government/Civil |
| Purpose | Earth Science/Meteorology |
| Class of Orbit | GEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | 9.27 |
| Perigee (km) | 35781 |
| Apogee (km) | 35793 |
| Eccentricity | 0.000142325118011244 |
| Inclination (degrees) | 0.46 |
| Period (minutes) | 1436.1 |
| Launch Mass (kg.) | 2000 |
| Dry Mass (kg.) | 1000 |
| Power (watts) | 700 |
| Date of Launch | 21-08-2002 |
| Expected Lifetime | 12 yrs. |
| Contractor | Alcatel |
| Country of Contractor | France |
| Launch Site | Guiana Space Center |
| Launch Vehicle | Ariane 5 |
| COSPAR Number | 2002-040B |
| NORAD Number | 27509 |
| Comments | Meteorological spacecraft; intended primarily to support the National Meteorological Services (NMS) of Member States; planned system of 3 satellites |