| Primary satellite | Secondary satellite |
| Name | Okean-O | THOR BURNER 2A DEB |
| Spacetrack catalog number | 25860 | 28592 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 12 04:42 | 2021 Apr 12 09:51 |
| Time of closest approach (UTC) | 2021 Mar 01 17:46:47.530 |
| Minimum distance | 36.517 km |
| Height difference | 2.871 km |
| Relative speed | 13.950 km/s |
| Angle between velocity vectors | 135° |
| Geographic position | 67.2°N, 3.6°E |
| Height | 652 km |
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