Hun Kal (crater)
Hun Kal is indicated by an arrow.
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| Planet | Mercury |
|---|---|
| Coordinates | Lua error in package.lua at line 80: module 'strict' not found. |
| Diameter | 1.5 km |
| Eponym | '20' in the Mayan language |
Hun Kal is a small crater on Mercury that serves as the reference point for the planet's system of longitude. The longitude of Hun Kal's center is defined as being 20° W, thus establishing the planet's prime meridian.[1]
Hun Kal was chosen as a reference point since the actual prime meridian was in shadow when Mariner 10 photographed the region, hiding any features near 0° longitude from view.
Hun Kal is about 1.5 km in diameter.[2]
The name "Hun Kal" means '20' in the language of the Maya.
References
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