| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Iridium 57 |
| Spacetrack catalog number | 33748 | 25273 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 21 14:08 | 2024 Dec 23 03:06 |
| Time of closest approach (UTC) | 2024 Dec 25 11:40:29.674 |
| Minimum distance | 3.655 km |
| Height difference | -1.438 km |
| Relative speed | 14.828 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 65.2°S, 59.3°W |
| Height | 800 km |
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