| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 33986 | 40609 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 11:32 | 2024 Dec 19 21:14 |
| Time of closest approach (UTC) | 2024 Dec 25 17:14:36.542 |
| Minimum distance | 4.267 km |
| Height difference | 3.921 km |
| Relative speed | 14.384 km/s |
| Angle between velocity vectors | 150° |
| Geographic position | 71.2°S, 174.6°W |
| Height | 795 km |
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