| Primary satellite | Secondary satellite |
| Name | Cosmos 1850 | IRIDIUM 145 |
| Spacetrack catalog number | 18095 | 43253 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:05 | 2024 Dec 22 22:16 |
| Time of closest approach (UTC) | 2024 Dec 26 14:01:09.805 |
| Minimum distance | 2.783 km |
| Height difference | 1.722 km |
| Relative speed | 14.599 km/s |
| Angle between velocity vectors | 156° |
| Geographic position | 36.3°N, 26.6°E |
| Height | 780 km |
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