| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 36188 | 34045 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 20 04:41 | 2024 Dec 22 18:32 |
| Time of closest approach (UTC) | 2024 Dec 28 11:57:36.446 |
| Minimum distance | 3.796 km |
| Height difference | -0.176 km |
| Relative speed | 14.110 km/s |
| Angle between velocity vectors | 142° |
| Geographic position | 72.9°N, 20.4°E |
| Height | 778 km |
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