| Primary satellite | Secondary satellite |
| Name | Cosmos 836 | FENGYUN 1C DEB |
| Spacetrack catalog number | 8923 | 32113 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:14 | 2024 Dec 19 08:42 |
| Time of closest approach (UTC) | 2024 Dec 29 18:52:46.631 |
| Minimum distance | 3.734 km |
| Height difference | -3.341 km |
| Relative speed | 14.890 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 56.3°N, 4.9°E |
| Height | 795 km |
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