| Primary satellite | Secondary satellite |
| Name | CZ-6A DEB | IRIDIUM 172 |
| Spacetrack catalog number | 54519 | 43927 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:40 | 2024 Dec 23 01:20 |
| Time of closest approach (UTC) | 2024 Dec 23 15:56:05.853 |
| Minimum distance | 2.353 km |
| Height difference | -2.302 km |
| Relative speed | 14.429 km/s |
| Angle between velocity vectors | 152° |
| Geographic position | 78.1°S, 85.0°E |
| Height | 809 km |
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