| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-4 DEB |
| Spacetrack catalog number | 35453 | 27492 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 19 15:23 | 2024 Dec 22 13:59 |
| Time of closest approach (UTC) | 2024 Dec 28 13:50:51.383 |
| Minimum distance | 4.197 km |
| Height difference | 3.903 km |
| Relative speed | 11.525 km/s |
| Angle between velocity vectors | 101° |
| Geographic position | 73.1°N, 68.3°E |
| Height | 771 km |
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