| Primary satellite | Secondary satellite |
| Name | Cosmos 1850 | FENGYUN 1C DEB |
| Spacetrack catalog number | 18095 | 32230 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:05 | 2024 Dec 22 20:31 |
| Time of closest approach (UTC) | 2024 Dec 24 04:34:13.203 |
| Minimum distance | 4.785 km |
| Height difference | 1.179 km |
| Relative speed | 14.606 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 67.0°S, 120.8°E |
| Height | 813 km |
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