| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 34588 | 54568 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:00 | 2024 Dec 22 14:11 |
| Time of closest approach (UTC) | 2024 Dec 29 15:44:12.003 |
| Minimum distance | 2.013 km |
| Height difference | 1.428 km |
| Relative speed | 14.878 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 52.6°N, 120.3°W |
| Height | 763 km |
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