| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 33841 | 32326 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Oct 06 08:10 | 2024 Oct 05 09:24 |
| Time of closest approach (UTC) | 2024 Sep 21 11:27:31.469 |
| Minimum distance | 1.188 km |
| Height difference | -0.408 km |
| Relative speed | 14.103 km/s |
| Angle between velocity vectors | 139° |
| Geographic position | 73.2°S, 98.7°E |
| Height | 786 km |
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