| Primary satellite | Secondary satellite |
| Name | Cosmos 1850 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 18096 | 35204 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 06 17:28 | 2024 Dec 06 09:36 |
| Time of closest approach (UTC) | 2024 Nov 12 23:12:32.898 |
| Minimum distance | 62.675 km |
| Height difference | -0.530 km |
| Relative speed | 14.923 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 21.8°S, 80.7°E |
| Height | 763 km |
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