Pholus Symbol (bold)
Pholus may refer to: * 5145 Pholus, a minor planet in the Solar System * Pholus (mythology) In Greek mythology, Pholus ( grc-gre, Φόλος) was a wise centaur and friend of Heracles who lived in a cave on or near Mount Pelion. Biography It is well known that Chiron, the famously civilized centaur, had origins which differed from those ...

5145 Pholus
5145 Pholus is an eccentric centaur in the outer Solar System, approximately in diameter, that crosses the orbit of both Saturn and Neptune. It was discovered on 9 January 1992 by American astronomer David Rabinowitz (uncredited) of UA's Spacewatch survey at the Kitt Peak National Observatory in Arizona, United States. The very reddish object has an elongated shape and a rotation period of 9.98 hours. It was named after the centaur Pholus from Greek mythology. Orbit and classification ''Pholus'' was the second centaur to be discovered. Centaurs are objects in between the asteroid and trans-Neptunian populations of the Solar System that is, beyond Jupiter's and within Neptune's orbit which behave with characteristics of both asteroids and comets. It orbits the Sun at a distance of 8.8–31.9  AU once every 91 years and 9 months (33,526 days; semi-major axis of 20.35 AU). Its orbit has an eccentricity of 0.57 and an inclination of 25 ° with respect to the eclipt ...
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