Proper noun
(mythology) A son of Gaia; one of the Gigantes.
(astronomy) The innermost of Saturn's classical satellites, marked by a giant impact crater (Herschel) on its surface.
Source: en.wiktionary.orgAstronomers fell into the habit of referring to them and Titan as Saturn I through Saturn V. Once Mimas and Enceladus were discovered, in 1789, the numbering scheme was extended to Saturn VII. Source: Internet
Another son is named Mimas, who provides a link to the third Aeolus in a genealogy that seems very contrived. Source: Internet
The smallest object that is known to have an equilibrium shape is the icy moon Mimas at 397 km, whereas the largest object known to have an obviously non-equilibrium shape is the rocky asteroid Pallas at 532 km (582 × 556 × 500 ± 18 km). Source: Internet
However, Mimas is not actually in hydrostatic equilibrium for its current rotation. Source: Internet
Of the bodies that are known to be in hydrostatic equilibrium, only Saturn 's moon Mimas is smaller. Source: Internet