| Primary satellite | Secondary satellite |
| Name | Cosmos 1850 Rocket | IRIDIUM 33 DEB |
| Spacetrack catalog number | 18096 | 34146 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 21:20 | 2023 Oct 01 15:50 |
| Time of closest approach (UTC) | 2023 Jun 16 18:05:37.441 |
| Minimum distance | 1722.206 km |
| Height difference | 8.721 km |
| Relative speed | 13.664 km/s |
| Angle between velocity vectors | 133° |
| Geographic position | 51.2°N, 6.6°E |
| Height | 780 km |
|