| Name of Satellite, Alternate Names | Sirius 3 (SD Radio 3) |
| Country of Operator/Owner | USA |
| Operator/Owner | Sirius Satellite Radio |
| Users | Commercial |
| Purpose | Communications |
| Class of Orbit | Elliptical |
| Type of Orbit | |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 6179 |
| Apogee (km) | 47086 |
| Eccentricity | 0.619756079084918 |
| Inclination (degrees) | 63.4 |
| Period (minutes) | 994.83 |
| Launch Mass (kg.) | 3727 |
| Dry Mass (kg.) | 1570 |
| Power (watts) | |
| Date of Launch | 30-11-2000 |
| Expected Lifetime | 15 yrs. |
| Contractor | Space Systems/Loral |
| Country of Contractor | USA |
| Launch Site | Baikonur Cosmodrome |
| Launch Vehicle | Proton K |
| COSPAR Number | 2000-077A |
| NORAD Number | 26626 |
| Comments | Relay music, news, entertainment directly to motorists in the USA. |