| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 39586 | 61309 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 02:55 | 2024 Dec 22 08:56 |
| Time of closest approach (UTC) | 2024 Dec 28 13:47:29.753 |
| Minimum distance | 3.285 km |
| Height difference | 2.776 km |
| Relative speed | 14.562 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 48.6°N, 150.9°W |
| Height | 796 km |
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