| Primary satellite | Secondary satellite |
| Name | AO-85 | COSMOS 2251 DEB |
| Spacetrack catalog number | 40967 | 34449 |
| Radar cross section | | small |
| Epoch of two-line elements (UTC) | 2023 Jan 04 00:39 | 2023 Feb 06 19:48 |
| Time of closest approach (UTC) | 2022 Dec 14 14:09:04.675 |
| Minimum distance | 1542.348 km |
| Height difference | 8.452 km |
| Relative speed | 13.097 km/s |
| Angle between velocity vectors | 124° |
| Geographic position | 32.5°S, 69.4°W |
| Height | 765 km |
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