| Primary satellite | Secondary satellite |
| Name | Okean-O | CZ-2D DEB |
| Spacetrack catalog number | 25860 | 38299 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 06 01:32 | 2021 Mar 05 15:20 |
| Time of closest approach (UTC) | 2021 Jan 19 05:54:08.565 |
| Minimum distance | 40.966 km |
| Height difference | -4.475 km |
| Relative speed | 13.779 km/s |
| Angle between velocity vectors | 132° |
| Geographic position | 70.3°S, 136.0°W |
| Height | 665 km |
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