| Primary satellite | Secondary satellite |
| Name | IRIDIUM 118 | deb Chang Zheng 4 |
| Spacetrack catalog number | 42807 | 20876 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:30 | 2024 Dec 22 23:39 |
| Time of closest approach (UTC) | 2024 Dec 25 03:47:39.301 |
| Minimum distance | 2.437 km |
| Height difference | -1.136 km |
| Relative speed | 14.117 km/s |
| Angle between velocity vectors | 142° |
| Geographic position | 80.3°N, 89.2°E |
| Height | 790 km |
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