| Primary satellite | Secondary satellite |
| Name | AO-27 | COSMOS 2251 DEB |
| Spacetrack catalog number | 22825 | 33762 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 16:17 | 2024 Dec 22 19:12 |
| Time of closest approach (UTC) | 2024 Dec 25 09:43:17.098 |
| Minimum distance | 4.640 km |
| Height difference | -2.049 km |
| Relative speed | 14.876 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 6.6°S, 175.7°E |
| Height | 796 km |
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