| Primary satellite | Secondary satellite |
| Name | Cosmos 1833 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 17590 | 36242 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 20 02:06 | 2020 Dec 25 10:45 |
| Time of closest approach (UTC) | 2020 Nov 29 01:19:57.991 |
| Minimum distance | 10.081 km |
| Height difference | 0.610 km |
| Relative speed | 14.817 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 11.1°N, 69.8°W |
| Height | 840 km |
|