The Moon, named after Babylon

4 named features. The International Astronomical Union records why each name was chosen, and those reasons are printed below exactly as they were approved.

FEATURES · 4

NAME	TYPE	SIZE	WHY THAT NAME
Berosus	crater	75.2 km	Berosus the Chaldean; Babylonian astronomer (unkn-c. 250 B.C.).
Kidinnu	crater	55.1 km	Or Cidenas; Babylonian astronomer (unkn-c. 343 B.C.).
Seleucus	crater	45 km	Babylonian astronomer (unkn-fl. c. 150 B.C.).
Ariadaeus	crater	10.4 km	Philip III of Macedonia; chronologer (c. 358-317 B.C.).

Names and their origins come from the IAU Gazetteer of Planetary Nomenclature (USGS Astrogeology), retrieved 2026-08-14.
All named features ｜ KUON THE MOON map ｜ About the map ｜ Every landing site on the Moon

DATA: IAU / USGS Astrogeology · NASA LRO LOLA