| Primary satellite | Secondary satellite |
| Name | IRIDIUM 136 | FENGYUN 1C DEB |
| Spacetrack catalog number | 42962 | 43213 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:05 | 2024 Dec 21 15:06 |
| Time of closest approach (UTC) | 2024 Dec 30 00:58:29.181 |
| Minimum distance | 4.778 km |
| Height difference | 4.667 km |
| Relative speed | 14.934 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 23.9°N, 136.4°E |
| Height | 780 km |
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