| Name of Satellite, Alternate Names | Shiyan 3 (SY3, Experimental Satellite 3) |
| Country of Operator/Owner | China (PR) |
| Operator/Owner | Chinese Academy of Space Technology (CAST) |
| Users | Government |
| Purpose | Remote Sensing/Research |
| Class of Orbit | LEO |
| Type of Orbit | Sun-Synchronous |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 785 |
| Apogee (km) | 803 |
| Eccentricity | 0.00125628140703518 |
| Inclination (degrees) | 98.5 |
| Period (minutes) | 100.8 |
| Launch Mass (kg.) | 300 |
| Dry Mass (kg.) | |
| Power (watts) | |
| Date of Launch | 05-11-2008 |
| Expected Lifetime | |
| Contractor | Harbin Institute of Technology |
| Country of Contractor | China (PR) |
| Launch Site | Jiuquan Satellite Launch Center |
| Launch Vehicle | Long March 2D |
| COSPAR Number | 2008-056A |
| NORAD Number | 33433 |
| Comments | Experiments on new technologies in atmospheric exploration. |