| Primary satellite | Secondary satellite |
| Name | Iridium Sim1 | CZ-2D DEB |
| Spacetrack catalog number | 24925 | 43487 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:46 | 2024 Dec 22 00:01 |
| Time of closest approach (UTC) | 2024 Dec 26 20:57:51.790 |
| Minimum distance | 3.687 km |
| Height difference | 1.878 km |
| Relative speed | 14.967 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 75.1°N, 178.5°E |
| Height | 616 km |
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