| Primary satellite | Secondary satellite |
| Name | Okean 1 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 19275 | 31531 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 15 17:22 | 2021 Jan 12 22:05 |
| Time of closest approach (UTC) | 2020 Dec 02 13:40:55.118 |
| Minimum distance | 0.862 km |
| Height difference | -0.534 km |
| Relative speed | 15.152 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 71.6°S, 153.6°E |
| Height | 651 km |
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