| Primary satellite | Secondary satellite |
| Name | NOAA 6 | IRIDIUM 33 DEB |
| Spacetrack catalog number | 11416 | 34366 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 23 22:16 | 2021 Jan 24 05:29 |
| Time of closest approach (UTC) | 2020 Dec 07 10:48:41.360 |
| Minimum distance | 34.689 km |
| Height difference | -4.810 km |
| Relative speed | 13.429 km/s |
| Angle between velocity vectors | 129° |
| Geographic position | 81.1°S, 154.2°W |
| Height | 815 km |
|