| Primary satellite | Secondary satellite |
| Name | Cosmos 1850 Rocket | deb Kosmos-1275 |
| Spacetrack catalog number | 18096 | 17619 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:57 | 2024 Dec 22 06:50 |
| Time of closest approach (UTC) | 2024 Dec 28 21:46:19.269 |
| Minimum distance | 2.082 km |
| Height difference | -1.957 km |
| Relative speed | 12.242 km/s |
| Angle between velocity vectors | 111° |
| Geographic position | 68.9°S, 13.5°E |
| Height | 806 km |
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