| Primary satellite | Secondary satellite |
| Name | AO-27 | COSMOS 2251 DEB |
| Spacetrack catalog number | 22825 | 35959 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 16:17 | 2024 Dec 22 15:36 |
| Time of closest approach (UTC) | 2024 Dec 26 07:32:59.177 |
| Minimum distance | 2.918 km |
| Height difference | -1.211 km |
| Relative speed | 14.874 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 4.8°S, 151.9°W |
| Height | 796 km |
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