| Primary satellite | Secondary satellite |
| Name | IRIDIUM 33 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 34765 | 31674 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:01 | 2024 Dec 19 07:35 |
| Time of closest approach (UTC) | 2024 Dec 28 00:07:29.378 |
| Minimum distance | 3.896 km |
| Height difference | -2.023 km |
| Relative speed | 14.833 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 64.5°N, 103.9°W |
| Height | 784 km |
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