| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | DMSP 5D-3 F17 DEB |
| Spacetrack catalog number | 33905 | 29637 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 18:00 | 2024 Dec 23 02:15 |
| Time of closest approach (UTC) | 2024 Dec 23 21:48:22.586 |
| Minimum distance | 0.992 km |
| Height difference | -0.940 km |
| Relative speed | 14.174 km/s |
| Angle between velocity vectors | 143° |
| Geographic position | 72.4°S, 125.8°E |
| Height | 789 km |
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