| Primary satellite | Secondary satellite |
| Name | IRIDIUM 138 | NOAA 16 DEB |
| Spacetrack catalog number | 43071 | 41711 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:13 | 2024 Dec 23 03:05 |
| Time of closest approach (UTC) | 2024 Dec 27 09:31:51.407 |
| Minimum distance | 10.360 km |
| Height difference | -1.749 km |
| Relative speed | 10.079 km/s |
| Angle between velocity vectors | 85° |
| Geographic position | 80.3°N, 105.3°E |
| Height | 790 km |
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