| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | AO-27 |
| Spacetrack catalog number | 35959 | 22825 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:36 | 2024 Dec 23 04:02 |
| Time of closest approach (UTC) | 2024 Dec 26 07:32:59.143 |
| Minimum distance | 2.890 km |
| Height difference | 1.231 km |
| Relative speed | 14.874 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 4.8°S, 151.9°W |
| Height | 795 km |
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