| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 36272 | 39591 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 17 08:07 | 2024 Dec 20 07:24 |
| Time of closest approach (UTC) | 2024 Dec 26 18:45:11.263 |
| Minimum distance | 3.758 km |
| Height difference | -3.696 km |
| Relative speed | 6.383 km/s |
| Angle between velocity vectors | 51° |
| Geographic position | 59.3°S, 8.7°E |
| Height | 798 km |
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