| Primary satellite | Secondary satellite |
| Name | Cosmos 1844 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 17974 | 31250 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 13 06:04 | 2025 Nov 13 00:52 |
| Time of closest approach (UTC) | 2025 Oct 18 05:22:05.787 |
| Minimum distance | 61.438 km |
| Height difference | -1.353 km |
| Relative speed | 14.808 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 35.7°N, 31.4°E |
| Height | 838 km |
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