| Primary satellite | Secondary satellite |
| Name | Cosmos 1943 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 19120 | 29758 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 22:56 | 2023 Oct 01 17:11 |
| Time of closest approach (UTC) | 2023 Jun 12 22:13:46.762 |
| Minimum distance | 4588.260 km |
| Height difference | -8.211 km |
| Relative speed | 14.390 km/s |
| Angle between velocity vectors | 152° |
| Geographic position | 30.5°S, 18.7°W |
| Height | 851 km |
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