| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-2D DEB |
| Spacetrack catalog number | 38212 | 35574 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 14:24 | 2024 Dec 21 12:10 |
| Time of closest approach (UTC) | 2024 Dec 24 10:09:59.837 |
| Minimum distance | 4.192 km |
| Height difference | 0.702 km |
| Relative speed | 5.209 km/s |
| Angle between velocity vectors | 40° |
| Geographic position | 52.3°N, 39.7°W |
| Height | 647 km |
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