| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | IRIDIUM 33 DEB |
| Spacetrack catalog number | 29870 | 33887 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:21 | 2024 Dec 22 23:30 |
| Time of closest approach (UTC) | 2024 Dec 26 22:01:14.458 |
| Minimum distance | 1.422 km |
| Height difference | -1.417 km |
| Relative speed | 14.921 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 37.4°S, 85.5°E |
| Height | 781 km |
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