| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 35789 | 54516 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:34 | 2024 Dec 22 23:32 |
| Time of closest approach (UTC) | 2024 Dec 26 06:07:05.444 |
| Minimum distance | 4.450 km |
| Height difference | 1.647 km |
| Relative speed | 14.836 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 52.9°N, 179.8°W |
| Height | 780 km |
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