| Primary satellite | Secondary satellite |
| Name | IRIDIUM 33 DEB | deb Chang Zheng 4 |
| Spacetrack catalog number | 34690 | 20969 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 12:35 | 2024 Dec 22 20:46 |
| Time of closest approach (UTC) | 2024 Dec 28 06:44:45.728 |
| Minimum distance | 4.578 km |
| Height difference | 4.325 km |
| Relative speed | 14.989 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 36.7°N, 7.2°W |
| Height | 721 km |
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