| Primary satellite | Secondary satellite |
| Name | Iridium Sim2 | FENGYUN 1C DEB |
| Spacetrack catalog number | 24926 | 31090 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:47 | 2024 Dec 22 12:59 |
| Time of closest approach (UTC) | 2024 Dec 29 20:26:18.349 |
| Minimum distance | 4.823 km |
| Height difference | -1.010 km |
| Relative speed | 15.052 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 23.2°N, 11.8°W |
| Height | 615 km |
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