| Primary satellite | Secondary satellite |
| Name | IRIDIUM 100 | FENGYUN 1C DEB |
| Spacetrack catalog number | 42956 | 33738 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:38 | 2024 Dec 19 03:21 |
| Time of closest approach (UTC) | 2024 Dec 27 03:13:47.501 |
| Minimum distance | 2.283 km |
| Height difference | -1.598 km |
| Relative speed | 14.837 km/s |
| Angle between velocity vectors | 165° |
| Geographic position | 67.1°S, 66.4°W |
| Height | 804 km |
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