| Primary satellite | Secondary satellite |
| Name | Cosmos 1850 | FENGYUN 1C DEB |
| Spacetrack catalog number | 18095 | 32320 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:05 | 2024 Dec 21 20:26 |
| Time of closest approach (UTC) | 2024 Dec 24 14:47:32.488 |
| Minimum distance | 1.864 km |
| Height difference | 1.859 km |
| Relative speed | 14.870 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 34.2°S, 2.6°W |
| Height | 800 km |
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