| 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 22:10:14.685 |
| Minimum distance | 3.915 km |
| Height difference | -2.388 km |
| Relative speed | 14.745 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 72.3°S, 106.6°E |
| Height | 969 km |
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