| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 35959 | 33945 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:36 | 2024 Dec 22 18:58 |
| Time of closest approach (UTC) | 2024 Dec 26 12:58:02.586 |
| Minimum distance | 1.576 km |
| Height difference | -1.371 km |
| Relative speed | 0.652 km/s |
| Angle between velocity vectors | 5° |
| Geographic position | 74.1°S, 148.0°W |
| Height | 816 km |
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