| Primary satellite | Secondary satellite |
| Name | Cosmos 1833 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 17590 | 41009 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 20 02:06 | 2021 Jan 13 20:59 |
| Time of closest approach (UTC) | 2020 Dec 02 07:10:48.450 |
| Minimum distance | 7.043 km |
| Height difference | 1.583 km |
| Relative speed | 14.798 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 8.7°S, 174.4°W |
| Height | 842 km |
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