| Primary satellite | Secondary satellite |
| Name | IRIDIUM 118 | deb Chang Zheng 4 |
| Spacetrack catalog number | 42807 | 20903 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:30 | 2024 Dec 21 23:25 |
| Time of closest approach (UTC) | 2024 Dec 29 22:28:34.481 |
| Minimum distance | 3.875 km |
| Height difference | -2.380 km |
| Relative speed | 14.594 km/s |
| Angle between velocity vectors | 156° |
| Geographic position | 76.8°S, 23.7°W |
| Height | 807 km |
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