| Primary satellite | Secondary satellite |
| Name | IRIDIUM 138 | CZ-6A DEB |
| Spacetrack catalog number | 43071 | 56277 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:13 | 2024 Dec 22 13:35 |
| Time of closest approach (UTC) | 2024 Dec 25 09:07:08.768 |
| Minimum distance | 0.669 km |
| Height difference | -0.013 km |
| Relative speed | 14.909 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 49.3°N, 131.6°E |
| Height | 785 km |
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