| Primary satellite | Secondary satellite |
| Name | IRIDIUM 104 | FENGYUN 1C DEB |
| Spacetrack catalog number | 41922 | 31486 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 02 09:07 | 2023 Oct 01 22:19 |
| Time of closest approach (UTC) | 2023 Jun 05 21:39:25.290 |
| Minimum distance | 3508.401 km |
| Height difference | -16.756 km |
| Relative speed | 14.862 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 39.0°S, 30.6°W |
| Height | 794 km |
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