KUON GEO

Every named place on the Moon

2,023 features carry an official name, and for every one of them the International Astronomical Union wrote down why. Most are named after people who studied the sky. 7,003 smaller craters share those names with a letter added; they are listed on the page of the name they belong to.
月には2,023件の地名があり、その一つ一つに理由が記録されています。多くは空を見た人の名前です。

JAPANESE NAMES · 日本にちなむ地名 · 13

Hirayama Kiyotsugu; Japanese astronomer (1874-1943); Shin; Japanese astronomer 145.2 km
Yamamoto Issei; Japanese astronomer (1889-1959).77.5 km
Nishina Yoshio; Japanese physicist (1890-1951).62.1 km
Nagaoka Hantaro; Japanese physicist (1865-1940).50.5 km
Murakami Harutaro; Japanese physicist, astronomer (1872-1947).44.5 km
Naonobu Ajima; Japanese mathematician (c. 1732-1798).33 km
Hatanaka Takeo; Japanese astronomer (1914-1963).30.2 km
Kimura Hisashi; Japanese astronomer (1870-1943).27.4 km
Asada Goryu; Japanese astronomer (1734-1799).12.4 km
Taizo Japanese male name.8.2 km
Rima Reiko Japanese female name.4.3 km
Yoshi Japanese male name.0.5 km
Shioli Japanese female first name.0.3 km

THE LARGEST · 大きいもの

Oceanus Procellarum 大洋2,592.2 km
Mare Frigoris 1,446.4 km
Mare Imbrium 1,145.5 km
Mare Australe 996.8 km
Montes Cordillera 963.5 km
Mare Fecunditatis 840.4 km
Mare Nubium 714.5 km
Montes Rook 682.3 km
Mare Serenitatis 674.3 km
Vallis Snellius 640 km
Montes Apenninus 599.7 km
Mare Crisium 555.9 km
Rupes Altai 545.2 km
Hertzsprung クレーター536.4 km
Apollo クレーター524.2 km
Mare Insularum 511.9 km
Vallis Rheita 509.1 km
Vallis Planck 502.9 km
Catena Michelson (GIRD) クレーター列450.6 km
Montes Caucasus 443.5 km
Lacus Somniorum 424.8 km
Korolev クレーター423.4 km
Montes Jura 420.8 km

BY WHERE THE NAME CAME FROM · 由来の国と文化 · 44

Names and their origins come from the IAU Gazetteer of Planetary Nomenclature (USGS Astrogeology), retrieved 2026-08-14.
All named featuresKUON THE MOON mapAbout the mapEvery landing site on the Moon
DATA: IAU / USGS Astrogeology · NASA LRO LOLA