| Primary satellite | Secondary satellite |
| Name | Cosmos 1943 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 19120 | 29877 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 22:56 | 2023 Oct 01 15:19 |
| Time of closest approach (UTC) | 2023 Jun 13 00:16:24.677 |
| Minimum distance | 452.515 km |
| Height difference | -8.861 km |
| Relative speed | 14.578 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 64.9°S, 71.7°E |
| Height | 867 km |
|