| Primary satellite | Secondary satellite |
| Name | DMSP F15 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 25992 | 34613 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:56 | 2024 Dec 21 06:45 |
| Time of closest approach (UTC) | 2024 Dec 29 20:22:05.507 |
| Minimum distance | 2.449 km |
| Height difference | 2.139 km |
| Relative speed | 14.849 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 59.5°N, 173.4°E |
| Height | 752 km |
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