| Primary satellite | Secondary satellite |
| Name | IRIDIUM 136 | FENGYUN 1C DEB |
| Spacetrack catalog number | 42962 | 30231 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:05 | 2024 Dec 22 15:05 |
| Time of closest approach (UTC) | 2024 Dec 24 20:28:36.489 |
| Minimum distance | 4.693 km |
| Height difference | -4.532 km |
| Relative speed | 14.548 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 76.9°S, 45.2°E |
| Height | 807 km |
|