| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-2D DEB |
| Spacetrack catalog number | 35462 | 38177 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 21:54 | 2024 Dec 21 23:52 |
| Time of closest approach (UTC) | 2024 Dec 28 20:04:57.006 |
| Minimum distance | 3.778 km |
| Height difference | 3.191 km |
| Relative speed | 14.742 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 62.5°S, 5.1°W |
| Height | 791 km |
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