| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 36188 | 34023 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 04:41 | 2024 Dec 22 23:26 |
| Time of closest approach (UTC) | 2024 Dec 24 11:52:41.421 |
| Minimum distance | 4.361 km |
| Height difference | -4.333 km |
| Relative speed | 11.667 km/s |
| Angle between velocity vectors | 103° |
| Geographic position | 73.2°N, 22.3°E |
| Height | 776 km |
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