| 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 Dec 14 07:55 | 2025 Dec 14 04:45 |
| Time of closest approach (UTC) | 2024 Dec 07 07:05:55.870 |
| Minimum distance | 5736.263 km |
| Height difference | -21.592 km |
| Relative speed | 12.486 km/s |
| Angle between velocity vectors | 114° |
| Geographic position | 41.7°N, 113.5°E |
| Height | 836 km |
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