| Primary satellite | Secondary satellite |
| Name | CZ-6A DEB | IRIDIUM 149 |
| Spacetrack catalog number | 61361 | 43250 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 22:22 | 2024 Dec 23 11:04 |
| Time of closest approach (UTC) | 2024 Dec 28 04:57:50.154 |
| Minimum distance | 1.825 km |
| Height difference | -0.864 km |
| Relative speed | 14.887 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 7.4°N, 16.7°W |
| Height | 781 km |
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