| Primary satellite | Secondary satellite |
| Name | IRIDIUM 47 DEB | WESTPAC |
| Spacetrack catalog number | 40254 | 25398 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 21 01:45 | 2024 Dec 23 18:41 |
| Time of closest approach (UTC) | 2024 Dec 25 15:47:37.584 |
| Minimum distance | 3.010 km |
| Height difference | -1.057 km |
| Relative speed | 14.355 km/s |
| Angle between velocity vectors | 151° |
| Geographic position | 78.1°S, 125.0°E |
| Height | 844 km |
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