| Primary satellite | Secondary satellite |
| Name | AO-27 | COSMOS 2251 DEB |
| Spacetrack catalog number | 22825 | 34910 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 16:17 | 2024 Dec 22 20:21 |
| Time of closest approach (UTC) | 2024 Dec 26 17:59:58.065 |
| Minimum distance | 3.804 km |
| Height difference | 2.377 km |
| Relative speed | 13.203 km/s |
| Angle between velocity vectors | 122° |
| Geographic position | 73.9°N, 18.4°E |
| Height | 807 km |
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