| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 1844 Rocket |
| Spacetrack catalog number | 37900 | 17974 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 16 03:03 | 2024 Dec 23 04:02 |
| Time of closest approach (UTC) | 2024 Dec 29 08:54:32.534 |
| Minimum distance | 2.918 km |
| Height difference | 2.908 km |
| Relative speed | 10.395 km/s |
| Angle between velocity vectors | 88° |
| Geographic position | 66.9°N, 52.0°E |
| Height | 841 km |
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