| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | IRIDIUM 133 |
| Spacetrack catalog number | 38157 | 42955 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:07 | 2024 Dec 23 04:27 |
| Time of closest approach (UTC) | 2024 Dec 26 07:32:48.798 |
| Minimum distance | 2.440 km |
| Height difference | -1.056 km |
| Relative speed | 3.206 km/s |
| Angle between velocity vectors | 25° |
| Geographic position | 57.3°S, 35.9°E |
| Height | 802 km |
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