List of craters on Mercury

Columns: Crater | Diameter ( km ) | Approval Year | Eponym | Ref
Haydn | 251 | 1976 | Joseph Haydn , Austrian composer | WGPSN | Heine | 73 | 1979 | Heinrich Heine , German poet | WGPSN | Hemingway | 126 | 2009 | Ernest Hemingway , American writer | WGPSN | Henri | 163.8 | 2012 | Robert Henri , American painter | WGPSN | Hesiod | 101 | 1976 | Hesiod , Ancient Greek poet | WGPSN | Hiroshige | 138 | 1976 | Andō Hiroshige , Japanese artist | WGPSN | Hitomaro | 105 | 1976 | Kakinomoto no Hitomaro , Japanese poet | WGPSN

Example questions:
For the Mercury crater with initial H with a diameter of 163.8 , what group did the man it 's named after organize ? | What year was the Mercury crater with initial H named for the artist that made The Great Wave off Kanagawa approved ? | When was the Mercury crater with initial H with very dark material near its center approved ? | What is the diameter of the Mercury crater with initial H named after a Tang Dynasty Chinese painter ?

Answers:
The Eight | 2010 | 2009 | 50