| Name of Satellite, Alternate Names | Astra 3B |
| Country of Operator/Owner | Luxembourg |
| Operator/Owner | SES (Société Européenne des Satellites (SES)) |
| Users | Commercial |
| Purpose | Communications |
| Class of Orbit | GEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | 23.5 |
| Perigee (km) | 35768 |
| Apogee (km) | 35806 |
| Eccentricity | 0.000450696207035605 |
| Inclination (degrees) | 0.08 |
| Period (minutes) | 1436.11 |
| Launch Mass (kg.) | 5471 |
| Dry Mass (kg.) | |
| Power (watts) | 10000 |
| Date of Launch | 21-05-2010 |
| Expected Lifetime | 15 yrs. |
| Contractor | EADS Astrium |
| Country of Contractor | France/UK/Germany/Spain |
| Launch Site | Guiana Space Center |
| Launch Vehicle | Ariane 5 ECA |
| COSPAR Number | 2010-021A |
| NORAD Number | 36581 |
| Comments | 60 Ku-band, 4 Ka-band transponders. Serves German, Czech, Slovak market. |