| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | IRIDIUM 161 |
| Spacetrack catalog number | 30947 | 43478 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:15 | 2024 Dec 23 01:00 |
| Time of closest approach (UTC) | 2024 Dec 27 09:27:37.110 |
| Minimum distance | 3.608 km |
| Height difference | 1.888 km |
| Relative speed | 9.298 km/s |
| Angle between velocity vectors | 77° |
| Geographic position | 79.5°S, 55.0°E |
| Height | 775 km |
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