| Primary satellite | Secondary satellite |
| Name | Iridium 4 Rocket | NOAA 16 DEB |
| Spacetrack catalog number | 24797 | 42413 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 17 20:21 | 2021 Jan 17 16:58 |
| Time of closest approach (UTC) | 2020 Nov 29 09:53:41.330 |
| Minimum distance | 1.792 km |
| Height difference | -1.768 km |
| Relative speed | 14.823 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 11.1°S, 145.2°W |
| Height | 825 km |
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