| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | IRIDIUM 104 |
| Spacetrack catalog number | 30231 | 41922 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:05 | 2024 Dec 22 21:01 |
| Time of closest approach (UTC) | 2024 Dec 26 14:58:39.224 |
| Minimum distance | 2.452 km |
| Height difference | -1.706 km |
| Relative speed | 10.897 km/s |
| Angle between velocity vectors | 94° |
| Geographic position | 80.7°S, 164.7°W |
| Height | 809 km |
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