| 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 10:56:30.096 |
| Minimum distance | 50.056 km |
| Height difference | -2.472 km |
| Relative speed | 14.848 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 62.3°S, 50.6°W |
| Height | 803 km |
|