| Primary satellite | Secondary satellite |
| Name | AO-27 | COSMOS 2251 DEB |
| Spacetrack catalog number | 22825 | 34141 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Oct 05 03:19 | 2024 Oct 04 23:18 |
| Time of closest approach (UTC) | 2024 Sep 20 09:20:39.873 |
| Minimum distance | 63.316 km |
| Height difference | 4.092 km |
| Relative speed | 14.829 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 43.1°N, 169.9°E |
| Height | 799 km |
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