| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 33762 | 42325 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:49 | 2024 Dec 22 12:23 |
| Time of closest approach (UTC) | 2024 Dec 27 23:19:35.128 |
| Minimum distance | 3.943 km |
| Height difference | 3.903 km |
| Relative speed | 14.684 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 66.1°N, 77.3°W |
| Height | 791 km |
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