| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-4B DEB |
| Spacetrack catalog number | 33841 | 44592 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 16:25 | 2024 Dec 20 08:56 |
| Time of closest approach (UTC) | 2024 Dec 24 02:36:39.923 |
| Minimum distance | 2.413 km |
| Height difference | -1.937 km |
| Relative speed | 14.827 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 45.7°S, 86.5°W |
| Height | 798 km |
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