| Primary satellite | Secondary satellite |
| Name | Cosmos 1850 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 18096 | 30492 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:57 | 2024 Dec 22 12:32 |
| Time of closest approach (UTC) | 2024 Dec 25 14:54:16.287 |
| Minimum distance | 1.384 km |
| Height difference | -0.653 km |
| Relative speed | 3.656 km/s |
| Angle between velocity vectors | 28° |
| Geographic position | 3.5°N, 77.2°E |
| Height | 772 km |
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