| Primary satellite | Secondary satellite |
| Name | Cosmos 1844 | DMSP 5D-2 F12 DEB |
| Spacetrack catalog number | 17973 | 41835 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2025 Jan 18 20:29 | 2025 Jan 18 20:50 |
| Time of closest approach (UTC) | 2024 Dec 10 10:49:57.386 |
| Minimum distance | 70.924 km |
| Height difference | -1.119 km |
| Relative speed | 14.688 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 50.6°S, 5.2°E |
| Height | 845 km |
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