| Primary satellite | Secondary satellite |
| Name | Okean-O | FENGYUN 1C DEB |
| Spacetrack catalog number | 25860 | 37058 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 15 01:24 | 2020 Dec 23 22:05 |
| Time of closest approach (UTC) | 2020 Nov 28 16:19:12.757 |
| Minimum distance | 131.023 km |
| Height difference | 8.071 km |
| Relative speed | 13.215 km/s |
| Angle between velocity vectors | 122° |
| Geographic position | 75.4°S, 76.0°E |
| Height | 667 km |
|