| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 47059 | 31441 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 18 23:17 | 2024 Dec 20 17:38 |
| Time of closest approach (UTC) | 2024 Dec 25 13:27:51.524 |
| Minimum distance | 1.669 km |
| Height difference | 0.952 km |
| Relative speed | 7.860 km/s |
| Angle between velocity vectors | 63° |
| Geographic position | 64.9°S, 103.9°W |
| Height | 657 km |
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