| Primary satellite | Secondary satellite |
| Name | OAO 3 Copernicus | IRIDIUM 33 DEB |
| Spacetrack catalog number | 6153 | 33869 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 22 10:32 | 2023 Sep 22 17:53 |
| Time of closest approach (UTC) | 2023 Jun 10 14:12:12.958 |
| Minimum distance | 4595.404 km |
| Height difference | 42.583 km |
| Relative speed | 13.812 km/s |
| Angle between velocity vectors | 135° |
| Geographic position | 29.7°N, 172.3°W |
| Height | 703 km |
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