| Primary satellite | Secondary satellite |
| Name | Cosmos 836 | FENGYUN 1C DEB |
| Spacetrack catalog number | 8923 | 32361 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:14 | 2024 Dec 22 01:27 |
| Time of closest approach (UTC) | 2024 Dec 26 06:14:56.771 |
| Minimum distance | 2.033 km |
| Height difference | 0.979 km |
| Relative speed | 14.625 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 67.7°S, 5.6°E |
| Height | 793 km |
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