| Name of Satellite, Alternate Names | Satellite Zhangguo Ziyuan 2B (ZY-2B, JB-3B) |
| Country of Operator/Owner | China (PR) |
| Operator/Owner | Chinese Academy of Space Technology |
| Users | Military |
| Purpose | Remote Sensing |
| Class of Orbit | LEO |
| Type of Orbit | Sun-Synchronous |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 444 |
| Apogee (km) | 454 |
| Eccentricity | 0.000733245343892066 |
| Inclination (degrees) | 97.1 |
| Period (minutes) | 93.6 |
| Launch Mass (kg.) | 1500 |
| Dry Mass (kg.) | |
| Power (watts) | |
| Date of Launch | 27-10-2002 |
| Expected Lifetime | 3-5 yrs. |
| Contractor | Chinese Academy of Space Technology (CAST) |
| Country of Contractor | China (PR) |
| Launch Site | Taiyuan Launch Center |
| Launch Vehicle | Long March CZ4B |
| COSPAR Number | 2002-049A |
| NORAD Number | 27550 |
| Comments | Officially intended for environment monitoring and protection, city planning, crops yield estimate, disaster prevention and mitigation, space science testing. |