| Primary satellite | Secondary satellite |
| Name | Cosmos 1943 | FENGYUN 1C DEB |
| Spacetrack catalog number | 19119 | 37712 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 14 06:58 | 2021 Apr 14 02:45 |
| Time of closest approach (UTC) | 2021 Mar 01 09:50:57.715 |
| Minimum distance | 178.833 km |
| Height difference | -3.329 km |
| Relative speed | 4.802 km/s |
| Angle between velocity vectors | 38° |
| Geographic position | 41.6°S, 30.3°E |
| Height | 854 km |
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