| Primary satellite | Secondary satellite |
| Name | Iridium 4 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 24797 | 30183 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Dec 13 07:12 | 2025 Dec 13 01:41 |
| Time of closest approach (UTC) | 2024 Nov 07 12:44:14.356 |
| Minimum distance | 4181.686 km |
| Height difference | 41.089 km |
| Relative speed | 11.104 km/s |
| Angle between velocity vectors | 97° |
| Geographic position | 75.1°N, 143.0°W |
| Height | 849 km |
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