| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 37966 | 54288 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 19 08:48 | 2024 Dec 23 02:53 |
| Time of closest approach (UTC) | 2024 Dec 27 14:29:04.520 |
| Minimum distance | 4.819 km |
| Height difference | 4.796 km |
| Relative speed | 15.035 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 54.2°N, 69.0°W |
| Height | 629 km |
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