Proto-Indo-European mythology also in the myths of the slaying of the nine-headed Lernaean Hydra by Heracles and the slaying of Python by Apollo. The story of Heracles's theft of the cattle of Geryon is probably also related. Although Heracles is not usually thought of as a storm deity in the conventional sense, he bears many attributes held by other Indo-European storm deities, including physical strength and a knack for violence and gluttony. The original Proto-Indo-European myth is also reflected in Germanic mythology. In Norse mythology, Thor, the god of thunder, slays the giant serpent Jörmungandr, which lived in the waters surrounding the
5143 Heracles for "Heracles" and its moon are and kilometer, respectively. Follow-up observations in 2016 confirmed an orbital period of 17 hours for the asteroid moon. This minor planet was named after Heracles, the divine gatekeeper of the Olympus and one of the greatest heroes in Greek mythology, known for his strength and his "Twelve Labors". Heracles is the son of Zeus and Alcmena, after whom the asteroids and were named. In the Roman adaptation, Heracles is known as Hercules. The approved naming citation was published by the Minor Planet Center on 14 July 1992 (). 5143 Heracles 5143 Heracles, provisional designation