| Primary satellite | Secondary satellite |
| Name | Okean 3 | COSMOS 2535 DEB |
| Spacetrack catalog number | 21397 | 44631 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Dec 03 17:00 | 2023 Dec 01 01:21 |
| Time of closest approach (UTC) | 2023 Sep 30 02:15:52.125 |
| Minimum distance | 462.880 km |
| Height difference | 1.893 km |
| Relative speed | 14.849 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 78.6°S, 67.5°W |
| Height | 618 km |
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