| Primary satellite | Secondary satellite |
| Name | Cosmos 836 | FENGYUN 1C DEB |
| Spacetrack catalog number | 8923 | 30167 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:14 | 2024 Dec 23 03:05 |
| Time of closest approach (UTC) | 2024 Dec 25 12:56:35.873 |
| Minimum distance | 4.263 km |
| Height difference | -0.873 km |
| Relative speed | 14.880 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 14.3°N, 127.0°E |
| Height | 780 km |
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