| Primary satellite | Secondary satellite |
| Name | ARIANE 5 R/B | IRIDIUM 33 DEB |
| Spacetrack catalog number | 27387 | 35918 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 27 21:53 | 2023 Mar 27 11:21 |
| Time of closest approach (UTC) | 2023 Feb 01 03:11:41.727 |
| Minimum distance | 433.536 km |
| Height difference | -2.852 km |
| Relative speed | 14.421 km/s |
| Angle between velocity vectors | 151° |
| Geographic position | 81.2°S, 71.2°W |
| Height | 805 km |
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