| Primary satellite | Secondary satellite |
| Name | DMSP 5D-2 F13 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 42320 | 35062 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 21:27 | 2024 Dec 22 10:56 |
| Time of closest approach (UTC) | 2024 Dec 25 15:17:50.176 |
| Minimum distance | 1.950 km |
| Height difference | -1.582 km |
| Relative speed | 4.418 km/s |
| Angle between velocity vectors | 34° |
| Geographic position | 43.8°N, 54.5°E |
| Height | 770 km |
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