| Primary satellite | Secondary satellite |
| Name | Cosmos 1850 | Cosmos 1420 Rocket |
| Spacetrack catalog number | 18095 | 13649 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:05 | 2024 Dec 23 04:14 |
| Time of closest approach (UTC) | 2024 Dec 24 03:40:10.932 |
| Minimum distance | 4.474 km |
| Height difference | 4.463 km |
| Relative speed | 2.791 km/s |
| Angle between velocity vectors | 22° |
| Geographic position | 73.8°N, 81.8°W |
| Height | 782 km |
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