| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | IRIDIUM 33 DEB |
| Spacetrack catalog number | 31012 | 38017 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:22 | 2024 Dec 23 07:25 |
| Time of closest approach (UTC) | 2024 Dec 26 10:20:20.895 |
| Minimum distance | 26.786 km |
| Height difference | -1.572 km |
| Relative speed | 8.730 km/s |
| Angle between velocity vectors | 72° |
| Geographic position | 78.9°S, 48.3°E |
| Height | 825 km |
|