| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 33762 | 30564 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:49 | 2024 Dec 23 00:35 |
| Time of closest approach (UTC) | 2024 Dec 25 12:39:02.294 |
| Minimum distance | 0.702 km |
| Height difference | 0.281 km |
| Relative speed | 14.197 km/s |
| Angle between velocity vectors | 143° |
| Geographic position | 72.9°N, 61.9°E |
| Height | 789 km |
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