| Primary satellite | Secondary satellite |
| Name | Cosmos 1850 | Cosmos 1818 |
| Spacetrack catalog number | 18095 | 17369 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:05 | 2024 Dec 23 03:45 |
| Time of closest approach (UTC) | 2024 Dec 24 05:51:29.886 |
| Minimum distance | 2.507 km |
| Height difference | -2.506 km |
| Relative speed | 1.293 km/s |
| Angle between velocity vectors | 10° |
| Geographic position | 23.2°S, 29.4°W |
| Height | 787 km |
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