| 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) | 2025 Jun 14 21:10 | 2025 Jun 14 15:22 |
| Time of closest approach (UTC) | 2024 Sep 20 09:23:40.395 |
| Minimum distance | 752.041 km |
| Height difference | 0.397 km |
| Relative speed | 14.838 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 11.8°N, 176.2°E |
| Height | 798 km |
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