| Primary satellite | Secondary satellite |
| Name | Cosmos 1833 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 17590 | 30147 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 20 02:06 | 2021 Jan 19 13:23 |
| Time of closest approach (UTC) | 2020 Dec 02 02:17:04.040 |
| Minimum distance | 78.329 km |
| Height difference | -11.481 km |
| Relative speed | 14.808 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 29.1°N, 86.4°W |
| Height | 841 km |
|