| Primary satellite | Secondary satellite |
| Name | Okean O Rocket | PRSS 1 |
| Spacetrack catalog number | 25861 | 43530 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Apr 11 18:54 | 2021 Apr 11 19:05 |
| Time of closest approach (UTC) | 2021 Mar 05 09:11:29.038 |
| Minimum distance | 2.863 km |
| Height difference | -2.276 km |
| Relative speed | 8.210 km/s |
| Angle between velocity vectors | 66° |
| Geographic position | 80.4°S, 101.4°W |
| Height | 669 km |
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