| Primary satellite | Secondary satellite |
| Name | Cosmos 1850 Rocket | IRIDIUM 119 |
| Spacetrack catalog number | 18096 | 42959 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:57 | 2024 Dec 22 15:40 |
| Time of closest approach (UTC) | 2024 Dec 27 10:41:39.117 |
| Minimum distance | 2.579 km |
| Height difference | -1.489 km |
| Relative speed | 4.836 km/s |
| Angle between velocity vectors | 38° |
| Geographic position | 68.3°S, 178.3°W |
| Height | 806 km |
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