| Primary satellite | Secondary satellite |
| Name | Cosmos 1741 Rocket | IRIDIUM 135 |
| Spacetrack catalog number | 16682 | 43070 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Oct 01 21:26 | 2023 Oct 01 18:20 |
| Time of closest approach (UTC) | 2023 Jun 12 15:23:43.617 |
| Minimum distance | 1487.690 km |
| Height difference | 5.736 km |
| Relative speed | 12.074 km/s |
| Angle between velocity vectors | 108° |
| Geographic position | 65.6°N, 77.5°E |
| Height | 782 km |
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