| Primary satellite | Secondary satellite |
| Name | IRIDIUM 138 | CZ-6A DEB |
| Spacetrack catalog number | 43071 | 55887 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:13 | 2024 Dec 21 23:23 |
| Time of closest approach (UTC) | 2024 Dec 28 12:29:24.155 |
| Minimum distance | 1.779 km |
| Height difference | 1.723 km |
| Relative speed | 14.918 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 44.8°N, 77.2°E |
| Height | 784 km |
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