| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | IRIDIUM 181 |
| Spacetrack catalog number | 38725 | 56726 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 21 06:26 | 2024 Dec 22 20:32 |
| Time of closest approach (UTC) | 2024 Dec 23 14:40:41.810 |
| Minimum distance | 2.396 km |
| Height difference | 0.369 km |
| Relative speed | 14.932 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 36.0°S, 33.2°W |
| Height | 761 km |
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