| Primary satellite | Secondary satellite |
| Name | IRIDIUM 47 DEB | Cosmos 1844 Rocket |
| Spacetrack catalog number | 40254 | 17974 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 21 01:45 | 2024 Dec 23 15:27 |
| Time of closest approach (UTC) | 2024 Dec 25 05:49:13.349 |
| Minimum distance | 1.017 km |
| Height difference | 0.792 km |
| Relative speed | 12.804 km/s |
| Angle between velocity vectors | 120° |
| Geographic position | 65.3°S, 74.1°W |
| Height | 857 km |
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