| Primary satellite | Secondary satellite |
| Name | Cosmos 836 | FENGYUN 1C DEB |
| Spacetrack catalog number | 8923 | 31734 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:14 | 2024 Dec 20 06:07 |
| Time of closest approach (UTC) | 2024 Dec 25 03:22:30.692 |
| Minimum distance | 4.806 km |
| Height difference | 4.727 km |
| Relative speed | 12.698 km/s |
| Angle between velocity vectors | 117° |
| Geographic position | 74.1°S, 0.2°W |
| Height | 793 km |
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