| Primary satellite | Secondary satellite |
| Name | STRAND 1 | IRIDIUM 126 |
| Spacetrack catalog number | 39090 | 42809 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2023 Jun 08 12:00 | 2023 Jun 08 08:44 |
| Time of closest approach (UTC) | 2023 Apr 07 15:57:45.680 |
| Minimum distance | 55.414 km |
| Height difference | -2.478 km |
| Relative speed | 14.850 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 61.8°S, 126.3°W |
| Height | 803 km |
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