| Primary satellite | Secondary satellite |
| Name | Okean-O | deb HAPS |
| Spacetrack catalog number | 25860 | 25445 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 06 01:32 | 2021 Mar 05 14:34 |
| Time of closest approach (UTC) | 2021 Jan 21 20:53:07.688 |
| Minimum distance | 5.509 km |
| Height difference | 4.020 km |
| Relative speed | 15.094 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 10.9°S, 154.2°E |
| Height | 644 km |
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