| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | IRIDIUM 141 |
| Spacetrack catalog number | 30028 | 43077 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 22:05 | 2024 Dec 23 01:51 |
| Time of closest approach (UTC) | 2024 Dec 26 20:34:30.212 |
| Minimum distance | 4.432 km |
| Height difference | -0.216 km |
| Relative speed | 14.843 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 62.6°N, 149.0°E |
| Height | 787 km |
|