| Primary satellite | Secondary satellite |
| Name | Cosmos 1733 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 16612 | 30523 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 22 19:33 | 2021 Jan 23 00:06 |
| Time of closest approach (UTC) | 2020 Dec 08 21:58:56.935 |
| Minimum distance | 1.746 km |
| Height difference | 1.542 km |
| Relative speed | 15.167 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 72.4°N, 68.1°W |
| Height | 641 km |
|