| Official name | HJS-4B |
| Alternative name | Hulianwang Jishu Shiyan 4B |
| Norad ID | 58692 |
| Launch date | 2023-12-30 |
| Launch site | JSC |
| RCS size | LARGE |
| Decay date | ON ORBIT |
| Period (min) | 107.35 |
| Inclination (deg) | 50 |
| Perigee (km) | 1104 |
| Apogee (km) | 1104 |
| Mean motion (revs. per day) | 13.4140661387983 |
| Semi-Major axis (km) | 7482.135 |
| Raan (deg) | 308.083 |
| Arg of perigee (deg) | 233.7099 |
| Shape | Box + 2 Pan |
| Mass (kg) | 300 |
| Height (m) | 2.5 |
| Width (m) | 0.8 |
| Depth (m) | 0.8 |
| Span (m^2) | 2.5 |
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