Near-earth ones of these include Ida, which has its own moon named Dactyl
... Its name was 
chosen as Uranus was the father of Cronus (Saturn), and thus ... with 21 years 
that have near constant daylight ("summer"), and 21 years of almost perpetual .... 
Neptune has one very large moon (of the thirteen known) named Triton, that is 
2,700... [DOC]