| Primary satellite | Secondary satellite |
| Name | IRIDIUM 100 | ZY-1 02D |
| Spacetrack catalog number | 42956 | 44528 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:38 | 2024 Dec 23 12:08 |
| Time of closest approach (UTC) | 2024 Dec 25 11:41:24.834 |
| Minimum distance | 4.181 km |
| Height difference | -2.984 km |
| Relative speed | 14.918 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 26.3°N, 17.8°W |
| Height | 780 km |
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