| Primary satellite | Secondary satellite |
| Name | SHIYAN 20A (SY-20A) | FENGYUN 1C DEB |
| Spacetrack catalog number | 54699 | 30915 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:25 | 2024 Dec 23 03:26 |
| Time of closest approach (UTC) | 2024 Dec 27 09:24:51.096 |
| Minimum distance | 1.867 km |
| Height difference | 0.208 km |
| Relative speed | 14.173 km/s |
| Angle between velocity vectors | 143° |
| Geographic position | 50.0°N, 19.8°E |
| Height | 795 km |
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