| Primary satellite | Secondary satellite |
| Name | Okean 2 Rocket | IRIDIUM 174 |
| Spacetrack catalog number | 20511 | 56728 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2025 Jul 11 19:12 | 2025 Jul 11 20:07 |
| Time of closest approach (UTC) | 2024 Jun 24 04:54:20.203 |
| Minimum distance | 2435.458 km |
| Height difference | 23.422 km |
| Relative speed | 14.717 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 68.6°N, 100.3°W |
| Height | 644 km |
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