73 Klytia

73 Klytia is a main-belt asteroid. It was the second and last asteroid discovery by the prolific comet discoverer Horace [Parnell Tuttle|Horace Tuttle], on April 7, 1862. It is named after Clytia, who loved Helios in Greek mythology. Of the first one hundred Minor [planet designation|numbered asteroids], Klytia is the smallest.
Based upon photometry observations between 1984 and 2007, it has a sidereal rotation period of 8.283065 h with an amplitude that can range up to in magnitude. The lightcurve shows some shape irregularities. There are two valid solutions for the pole's ecliptic coordinates: = and =.