| Primary satellite | Secondary satellite |
| Name | DMSP 5D-2 F13 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 40516 | 34852 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 19:03 | 2024 Dec 22 05:34 |
| Time of closest approach (UTC) | 2024 Dec 28 21:29:23.799 |
| Minimum distance | 3.434 km |
| Height difference | 0.374 km |
| Relative speed | 14.750 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 62.1°S, 23.3°W |
| Height | 800 km |
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