| Primary satellite | Secondary satellite |
| Name | Cosmos 1850 Rocket | IRIDIUM 33 DEB |
| Spacetrack catalog number | 18096 | 34529 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 29 14:12 | 2023 Sep 29 06:27 |
| Time of closest approach (UTC) | 2023 Jun 13 10:01:10.213 |
| Minimum distance | 131.888 km |
| Height difference | -0.175 km |
| Relative speed | 11.672 km/s |
| Angle between velocity vectors | 103° |
| Geographic position | 72.1°N, 178.1°E |
| Height | 778 km |
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