| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | IRIDIUM 33 DEB |
| Spacetrack catalog number | 31949 | 35846 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 19 17:28 | 2024 Dec 22 01:07 |
| Time of closest approach (UTC) | 2024 Dec 29 03:28:15.558 |
| Minimum distance | 2.936 km |
| Height difference | 0.645 km |
| Relative speed | 14.478 km/s |
| Angle between velocity vectors | 150° |
| Geographic position | 78.5°N, 75.1°E |
| Height | 779 km |
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