| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | DMSP 5D-2 F11 DEB |
| Spacetrack catalog number | 33905 | 29077 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 18:00 | 2024 Dec 22 07:38 |
| Time of closest approach (UTC) | 2024 Dec 23 21:45:54.508 |
| Minimum distance | 2.154 km |
| Height difference | 1.270 km |
| Relative speed | 13.418 km/s |
| Angle between velocity vectors | 128° |
| Geographic position | 73.9°S, 96.1°E |
| Height | 784 km |
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