| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 35789 | 61816 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:34 | 2024 Dec 22 10:28 |
| Time of closest approach (UTC) | 2024 Dec 27 19:39:47.119 |
| Minimum distance | 3.308 km |
| Height difference | -1.635 km |
| Relative speed | 13.464 km/s |
| Angle between velocity vectors | 129° |
| Geographic position | 68.6°S, 128.3°E |
| Height | 808 km |
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