| Primary satellite | Secondary satellite |
| Name | IRIDIUM 138 | CZ-6A DEB |
| Spacetrack catalog number | 43071 | 60864 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:13 | 2024 Dec 22 23:30 |
| Time of closest approach (UTC) | 2024 Dec 28 04:47:23.297 |
| Minimum distance | 3.672 km |
| Height difference | 3.505 km |
| Relative speed | 14.577 km/s |
| Angle between velocity vectors | 156° |
| Geographic position | 79.8°S, 3.6°W |
| Height | 807 km |
|