| Primary satellite | Secondary satellite |
| Name | Cosmos 1934 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 18986 | 32460 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 22 19:21 | 2021 Jan 22 19:00 |
| Time of closest approach (UTC) | 2020 Dec 07 23:54:34.028 |
| Minimum distance | 4.086 km |
| Height difference | -0.097 km |
| Relative speed | 14.743 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 72.9°S, 79.5°E |
| Height | 969 km |
|