| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-4B DEB |
| Spacetrack catalog number | 34885 | 57397 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:12 | 2024 Dec 20 21:19 |
| Time of closest approach (UTC) | 2024 Dec 29 06:10:56.550 |
| Minimum distance | 2.226 km |
| Height difference | 0.356 km |
| Relative speed | 12.610 km/s |
| Angle between velocity vectors | 115° |
| Geographic position | 73.8°N, 5.4°E |
| Height | 753 km |
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