| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-4C R/B DEB |
| Spacetrack catalog number | 34588 | 43627 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:00 | 2024 Dec 22 19:37 |
| Time of closest approach (UTC) | 2024 Dec 23 19:56:28.881 |
| Minimum distance | 2.596 km |
| Height difference | -2.232 km |
| Relative speed | 10.330 km/s |
| Angle between velocity vectors | 87° |
| Geographic position | 70.3°N, 61.3°W |
| Height | 775 km |
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