| Primary satellite | Secondary satellite |
| Name | ARIANE 5 R/B | IRIDIUM 125 |
| Spacetrack catalog number | 27387 | 42964 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Mar 27 21:53 | 2023 Mar 27 21:40 |
| Time of closest approach (UTC) | 2023 Feb 07 17:58:16.993 |
| Minimum distance | 70.302 km |
| Height difference | -1.305 km |
| Relative speed | 14.716 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 70.7°S, 121.7°E |
| Height | 804 km |
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