| Primary satellite | Secondary satellite |
| Name | Cosmos 1943 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 19120 | 30144 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 22:56 | 2023 Oct 01 23:49 |
| Time of closest approach (UTC) | 2023 Jun 12 12:23:44.029 |
| Minimum distance | 370.022 km |
| Height difference | -7.834 km |
| Relative speed | 14.330 km/s |
| Angle between velocity vectors | 149° |
| Geographic position | 69.2°S, 125.9°W |
| Height | 869 km |
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