| Primary satellite | Secondary satellite |
| Name | IRIDIUM 138 | CZ-6A DEB |
| Spacetrack catalog number | 43071 | 61497 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:13 | 2024 Dec 21 22:04 |
| Time of closest approach (UTC) | 2024 Dec 29 15:06:25.168 |
| Minimum distance | 4.490 km |
| Height difference | -3.303 km |
| Relative speed | 14.341 km/s |
| Angle between velocity vectors | 149° |
| Geographic position | 81.5°N, 15.3°E |
| Height | 790 km |
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