| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 33841 | 30857 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Oct 06 08:10 | 2024 Oct 06 10:25 |
| Time of closest approach (UTC) | 2024 Sep 18 07:20:51.353 |
| Minimum distance | 77.244 km |
| Height difference | -4.441 km |
| Relative speed | 14.733 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 63.4°N, 46.5°W |
| Height | 794 km |
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