| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 34913 | 40610 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 07:23 | 2024 Dec 22 00:07 |
| Time of closest approach (UTC) | 2024 Dec 29 01:05:02.920 |
| Minimum distance | 1.150 km |
| Height difference | 0.957 km |
| Relative speed | 14.842 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 33.5°S, 81.9°W |
| Height | 804 km |
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