| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 1844 Rocket |
| Spacetrack catalog number | 31043 | 17974 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 13:59 | 2024 Dec 23 04:02 |
| Time of closest approach (UTC) | 2024 Dec 26 22:36:26.145 |
| Minimum distance | 3.794 km |
| Height difference | -2.165 km |
| Relative speed | 14.243 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 66.9°S, 107.2°E |
| Height | 865 km |
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