| Primary satellite | Secondary satellite |
| Name | Cosmos 1850 | PCSat |
| Spacetrack catalog number | 18095 | 26931 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:05 | 2024 Dec 23 00:05 |
| Time of closest approach (UTC) | 2024 Dec 24 16:03:07.061 |
| Minimum distance | 4.517 km |
| Height difference | -1.535 km |
| Relative speed | 12.446 km/s |
| Angle between velocity vectors | 113° |
| Geographic position | 52.6°S, 168.7°W |
| Height | 804 km |
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