| Primary satellite | Secondary satellite |
| Name | CZ-6A DEB | IRIDIUM 173 |
| Spacetrack catalog number | 55214 | 43925 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:04 | 2024 Dec 23 03:09 |
| Time of closest approach (UTC) | 2024 Dec 26 07:41:14.724 |
| Minimum distance | 2.972 km |
| Height difference | -1.674 km |
| Relative speed | 14.692 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 72.2°S, 161.0°W |
| Height | 807 km |
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