| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 34459 | 54990 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:30 | 2024 Dec 22 12:27 |
| Time of closest approach (UTC) | 2024 Dec 28 05:44:32.828 |
| Minimum distance | 4.197 km |
| Height difference | 3.897 km |
| Relative speed | 12.363 km/s |
| Angle between velocity vectors | 111° |
| Geographic position | 73.8°S, 123.8°W |
| Height | 788 km |
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