Melanthius is the third-largest impact crater on Tethys, one of Saturn's moons. Melanthius is 245km (152miles) wide, and is located in the southern quadrant of Melanthius, named after the crater. Melanthius is noted for its prominent cluster of central peaks, which were formed in the original impact.[1] The crater is centered at 58.5°S, 192.61°W.
Melanthius is named after the character Melanthius, son of Dolius, who was Odysseus' disloyal goatherd in Homer's Odyssey.[2]