| Primary satellite | Secondary satellite |
| Name | IRIDIUM 118 | FENGYUN 1C DEB |
| Spacetrack catalog number | 42807 | 31195 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:30 | 2024 Dec 23 01:58 |
| Time of closest approach (UTC) | 2024 Dec 29 23:37:02.477 |
| Minimum distance | 2.776 km |
| Height difference | -2.427 km |
| Relative speed | 14.956 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 37.5°N, 59.1°W |
| Height | 783 km |
|