| Name of Satellite, Alternate Names | Compass G-8 (Beidou IGSO-3) |
| Country of Operator/Owner | China (PR) |
| Operator/Owner | Chinese Defense Ministry |
| Users | Military |
| Purpose | Navigation/Global Positioning |
| Class of Orbit | GEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | 118 |
| Perigee (km) | 35693 |
| Apogee (km) | 37872 |
| Eccentricity | 0.0252476681536412 |
| Inclination (degrees) | 96.4 |
| Period (minutes) | 1435.93 |
| Launch Mass (kg.) | 2300 |
| Dry Mass (kg.) | |
| Power (watts) | |
| Date of Launch | 09-04-2011 |
| Expected Lifetime | |
| Contractor | Space Technology Research Institute (part of CASC) |
| Country of Contractor | China (PR) |
| Launch Site | Xichang Satellite Launch Center |
| Launch Vehicle | Long March 3A |
| COSPAR Number | 2011-013A |
| NORAD Number | 37384 |
| Comments | Part of Compass constellation. |