| Primary satellite | Secondary satellite |
| Name | CZ-6A DEB | IRIDIUM 178 |
| Spacetrack catalog number | 61119 | 56729 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 10:11 | 2024 Dec 23 13:35 |
| Time of closest approach (UTC) | 2024 Dec 29 02:13:40.990 |
| Minimum distance | 133.625 km |
| Height difference | -2.455 km |
| Relative speed | 10.221 km/s |
| Angle between velocity vectors | 85° |
| Geographic position | 87.2°S, 43.3°E |
| Height | 661 km |
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