3200 Phaethon (/ˈfeɪ.əθɒn/ FAY-ə-thon sometimes incorrectly spelled Phaeton) is an asteroid with an unusual orbit that brings it closer to the Sun than any other named asteroid (though there are several unnamed asteroids including three numbered ones with smaller perihelia e.g. (137924) 2000 BD19). For this reason it was named after the Greek myth of Phaëton son of the sun god Helios. It is 5.10 km in mean diameter.
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