| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 34729 | 40606 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:04 | 2024 Dec 22 14:39 |
| Time of closest approach (UTC) | 2024 Dec 25 17:11:43.757 |
| Minimum distance | 17.103 km |
| Height difference | -0.243 km |
| Relative speed | 10.334 km/s |
| Angle between velocity vectors | 87° |
| Geographic position | 71.4°S, 145.8°W |
| Height | 678 km |
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