| Primary satellite | Secondary satellite |
| Name | CZ-2C R/B | IRIDIUM 108 |
| Spacetrack catalog number | 28480 | 41924 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 17 20:06 | 2021 Jan 17 20:12 |
| Time of closest approach (UTC) | 2020 Dec 03 05:12:57.566 |
| Minimum distance | 8.283 km |
| Height difference | 6.042 km |
| Relative speed | 14.937 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 22.7°N, 32.6°E |
| Height | 775 km |
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