| Primary satellite | Secondary satellite |
| Name | Cosmos 1833 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 17590 | 30214 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 20 02:06 | 2021 Jan 20 02:48 |
| Time of closest approach (UTC) | 2020 Dec 02 08:16:07.314 |
| Minimum distance | 3.928 km |
| Height difference | -3.902 km |
| Relative speed | 4.654 km/s |
| Angle between velocity vectors | 36° |
| Geographic position | 39.7°S, 8.7°E |
| Height | 849 km |
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