Original: In October 2002 it was officially named after Themisto, IAUC 7998: Satellites of Jupiter 2002 October 22 (naming the moon) daughter of the river god Inachus by Zeus (Jupiter) in Greek mythology.
Simplified: In October 2002 it was officially named after ThemistoIAUC 2002 October 22 (naming the moon), daughter of the river god Inachus by Zeus (Jupiter) in Greek mythology.