| Primary satellite | Secondary satellite |
| Name | IRIDIUM 104 | FENGYUN 1C DEB |
| Spacetrack catalog number | 41922 | 32179 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 02 09:07 | 2023 Oct 01 21:21 |
| Time of closest approach (UTC) | 2023 Jun 04 13:24:06.014 |
| Minimum distance | 272.273 km |
| Height difference | -0.335 km |
| Relative speed | 2.486 km/s |
| Angle between velocity vectors | 19° |
| Geographic position | 47.0°S, 78.1°W |
| Height | 797 km |
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