| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 35459 | 60885 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 16:06 | 2024 Dec 22 22:43 |
| Time of closest approach (UTC) | 2024 Dec 27 04:41:45.762 |
| Minimum distance | 4.223 km |
| Height difference | -0.431 km |
| Relative speed | 14.034 km/s |
| Angle between velocity vectors | 141° |
| Geographic position | 62.8°S, 165.8°E |
| Height | 798 km |
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