| 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 05 02:02 | 2023 Jun 04 21:01 |
| Time of closest approach (UTC) | 2023 Apr 07 12:37:18.431 |
| Minimum distance | 28.906 km |
| Height difference | -2.726 km |
| Relative speed | 14.849 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 61.1°S, 76.6°W |
| Height | 802 km |
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