| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 35959 | 54982 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:36 | 2024 Dec 16 23:54 |
| Time of closest approach (UTC) | 2024 Dec 29 07:08:53.277 |
| Minimum distance | 1.727 km |
| Height difference | 1.696 km |
| Relative speed | 14.186 km/s |
| Angle between velocity vectors | 144° |
| Geographic position | 72.6°N, 139.1°E |
| Height | 784 km |
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