| Primary satellite | Secondary satellite |
| Name | Okean 1 Rocket | IRIDIUM 33 DEB |
| Spacetrack catalog number | 19275 | 38237 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 17 13:06 | 2021 Jan 16 11:29 |
| Time of closest approach (UTC) | 2020 Dec 06 23:32:32.231 |
| Minimum distance | 140.748 km |
| Height difference | -2.877 km |
| Relative speed | 15.038 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 23.6°N, 157.4°E |
| Height | 613 km |
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