| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 34430 | 40468 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:42 | 2024 Dec 22 07:21 |
| Time of closest approach (UTC) | 2024 Dec 25 08:26:41.426 |
| Minimum distance | 4.998 km |
| Height difference | 2.016 km |
| Relative speed | 14.514 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 69.4°S, 37.2°W |
| Height | 803 km |
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