| Primary satellite | Secondary satellite |
| Name | Cosmos 836 | FENGYUN 1C DEB |
| Spacetrack catalog number | 8923 | 29875 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:14 | 2024 Dec 23 03:59 |
| Time of closest approach (UTC) | 2024 Dec 27 22:08:22.888 |
| Minimum distance | 3.103 km |
| Height difference | 3.099 km |
| Relative speed | 14.893 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 40.1°S, 0.3°E |
| Height | 782 km |
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