| Primary satellite | Secondary satellite |
| Name | Cosmos 1844 | deb Agena D |
| Spacetrack catalog number | 17973 | 4996 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Jan 18 20:29 | 2025 Jan 18 15:40 |
| Time of closest approach (UTC) | 2024 Dec 07 07:06:00.461 |
| Minimum distance | 496.718 km |
| Height difference | 0.501 km |
| Relative speed | 10.887 km/s |
| Angle between velocity vectors | 94° |
| Geographic position | 69.9°N, 166.0°E |
| Height | 858 km |
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