| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 35031 | 54897 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 05:55 | 2024 Dec 22 23:58 |
| Time of closest approach (UTC) | 2024 Dec 25 02:55:38.534 |
| Minimum distance | 4.450 km |
| Height difference | -3.096 km |
| Relative speed | 14.689 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 63.6°S, 94.4°W |
| Height | 797 km |
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