| Primary satellite | Secondary satellite |
| Name | Cosmos 836 | FENGYUN 1C DEB |
| Spacetrack catalog number | 8923 | 30608 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:14 | 2024 Dec 22 18:06 |
| Time of closest approach (UTC) | 2024 Dec 29 18:34:21.050 |
| Minimum distance | 4.738 km |
| Height difference | 3.478 km |
| Relative speed | 14.831 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 51.5°N, 124.2°W |
| Height | 800 km |
|