| Primary satellite | Secondary satellite |
| Name | Cosmos 1943 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 19120 | 30802 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 22:56 | 2023 Oct 01 16:07 |
| Time of closest approach (UTC) | 2023 Jun 10 23:43:16.733 |
| Minimum distance | 1420.187 km |
| Height difference | -9.044 km |
| Relative speed | 14.723 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 31.3°N, 145.3°E |
| Height | 819 km |
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