| Primary satellite | Secondary satellite |
| Name | Cosmos 1943 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 19120 | 31031 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 17 15:53 | 2025 Nov 17 07:17 |
| Time of closest approach (UTC) | 2025 Oct 18 12:22:16.156 |
| Minimum distance | 9.755 km |
| Height difference | -1.240 km |
| Relative speed | 14.629 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 57.3°N, 171.5°W |
| Height | 848 km |
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