| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | IRIDIUM 33 DEB |
| Spacetrack catalog number | 31633 | 34497 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 19 20:14 | 2024 Dec 23 00:57 |
| Time of closest approach (UTC) | 2024 Dec 27 07:45:35.302 |
| Minimum distance | 3.070 km |
| Height difference | -2.622 km |
| Relative speed | 14.829 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 17.7°N, 167.9°E |
| Height | 854 km |
|