Sei is a crater on Mercury. Its name was adopted by the International Astronomical Union (IAU) in 1976. The crater is named for Japanese writer Sei Shōnagon.[1]

Sei
PlanetMercury
Coordinates64°37′S 88°35′W / 64.61°S 88.59°W / -64.61; -88.59
QuadrangleDiscovery
Diameter137 km (85 mi)
EponymSei Shōnagon

To the west of Sei is Alencar crater. To the northeast is Ma Chih-Yuan crater.

References

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  1. ^ "Sei". Gazetteer of Planetary Nomenclature. IAU/USGS/NASA. Retrieved 15 June 2022.