| Primary satellite | Secondary satellite |
| Name | Cosmos 1850 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 18096 | 29942 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:57 | 2024 Dec 23 03:14 |
| Time of closest approach (UTC) | 2024 Dec 24 15:53:23.905 |
| Minimum distance | 3.348 km |
| Height difference | -3.074 km |
| Relative speed | 14.572 km/s |
| Angle between velocity vectors | 156° |
| Geographic position | 68.5°S, 112.4°E |
| Height | 806 km |
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