| Primary satellite | Secondary satellite |
| Name | Cosmos 1943 | FENGYUN 1C DEB |
| Spacetrack catalog number | 19119 | 30251 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Jan 28 16:00 | 2023 Jan 28 21:36 |
| Time of closest approach (UTC) | 2022 Dec 06 22:18:04.044 |
| Minimum distance | 493.687 km |
| Height difference | -0.019 km |
| Relative speed | 11.326 km/s |
| Angle between velocity vectors | 100° |
| Geographic position | 69.0°N, 69.4°W |
| Height | 861 km |
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