| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 35453 | 42282 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 19 15:23 | 2024 Dec 20 22:31 |
| Time of closest approach (UTC) | 2024 Dec 24 07:44:43.361 |
| Minimum distance | 2.505 km |
| Height difference | 2.231 km |
| Relative speed | 6.472 km/s |
| Angle between velocity vectors | 51° |
| Geographic position | 60.0°N, 131.5°E |
| Height | 795 km |
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