| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 35031 | 54565 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 05:55 | 2024 Dec 22 01:08 |
| Time of closest approach (UTC) | 2024 Dec 25 21:19:48.913 |
| Minimum distance | 3.938 km |
| Height difference | -2.314 km |
| Relative speed | 14.536 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 68.7°S, 0.6°W |
| Height | 797 km |
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