| Primary satellite | Secondary satellite |
| Name | Cosmos 1934 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 18986 | 30342 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 16 20:31 | 2021 Jan 17 02:06 |
| Time of closest approach (UTC) | 2020 Dec 03 19:01:10.089 |
| Minimum distance | 6.798 km |
| Height difference | -1.326 km |
| Relative speed | 14.747 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 45.9°S, 176.4°E |
| Height | 966 km |
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