| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 34022 | 40477 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:37 | 2024 Dec 21 00:55 |
| Time of closest approach (UTC) | 2024 Dec 25 22:18:56.318 |
| Minimum distance | 4.014 km |
| Height difference | -1.832 km |
| Relative speed | 14.860 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 54.7°N, 152.7°E |
| Height | 766 km |
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