| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 34913 | 40413 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 07:23 | 2024 Dec 22 12:54 |
| Time of closest approach (UTC) | 2024 Dec 29 06:04:13.697 |
| Minimum distance | 2.656 km |
| Height difference | 2.530 km |
| Relative speed | 14.858 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 26.4°S, 160.1°W |
| Height | 801 km |
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