| Primary satellite | Secondary satellite |
| Name | NOAA 6 | IRIDIUM 100 |
| Spacetrack catalog number | 11416 | 42956 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 25 12:48 | 2021 Jan 25 13:49 |
| Time of closest approach (UTC) | 2020 Dec 06 17:07:39.028 |
| Minimum distance | 11.401 km |
| Height difference | 4.503 km |
| Relative speed | 14.839 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 65.9°N, 11.9°W |
| Height | 786 km |
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