| Primary satellite | Secondary satellite |
| Name | IRIDIUM 33 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 33775 | 31674 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:00 | 2024 Dec 19 07:35 |
| Time of closest approach (UTC) | 2024 Dec 29 15:41:35.816 |
| Minimum distance | 0.710 km |
| Height difference | -0.479 km |
| Relative speed | 14.933 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 21.7°S, 45.3°E |
| Height | 760 km |
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