| Primary satellite | Secondary satellite |
| Name | NOAA 16 DEB | Iridium 42 |
| Spacetrack catalog number | 41419 | 25077 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 21 05:52 | 2024 Dec 22 23:27 |
| Time of closest approach (UTC) | 2024 Dec 25 18:42:53.772 |
| Minimum distance | 2.046 km |
| Height difference | 1.455 km |
| Relative speed | 14.240 km/s |
| Angle between velocity vectors | 145° |
| Geographic position | 79.2°N, 44.2°W |
| Height | 782 km |
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