| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 39586 | 55234 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 02:55 | 2024 Dec 23 04:06 |
| Time of closest approach (UTC) | 2024 Dec 29 08:31:03.405 |
| Minimum distance | 2.963 km |
| Height difference | 2.846 km |
| Relative speed | 14.458 km/s |
| Angle between velocity vectors | 151° |
| Geographic position | 70.7°N, 38.4°W |
| Height | 837 km |
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