| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Kosmos-469 reactor |
| Spacetrack catalog number | 29919 | 5721 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:14 | 2024 Dec 23 03:42 |
| Time of closest approach (UTC) | 2024 Dec 27 09:15:58.583 |
| Minimum distance | 4.429 km |
| Height difference | -0.086 km |
| Relative speed | 12.878 km/s |
| Angle between velocity vectors | 122° |
| Geographic position | 63.9°N, 147.0°E |
| Height | 987 km |
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