| Primary satellite | Secondary satellite |
| Name | Cosmos 1943 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 19120 | 30127 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 16 16:12 | 2025 Nov 16 12:49 |
| Time of closest approach (UTC) | 2025 Oct 17 19:38:24.049 |
| Minimum distance | 120.694 km |
| Height difference | 1.482 km |
| Relative speed | 13.906 km/s |
| Angle between velocity vectors | 139° |
| Geographic position | 68.3°N, 170.2°E |
| Height | 842 km |
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