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{{#invoke:redirect hatnote|redirect}} {{#invoke:Infobox|infobox}} 117 Lomia is a large main-belt asteroid that has a nearly circular orbit; the orbital eccentricity is 0.029.<ref name="JPL"/> It was discovered by French astronomer Alphonse Borrelly on September 12, 1871, from the Marseilles Observatory.<ref name=Schmadel/> The preliminary orbital elements were published in the following year by German astronomer Friedrich Tietjen.<ref name="Tietjen1872"/> The reason for the name is uncertain, but Lutz D. Schmadel believes it is most likely a misspelling of Lamia, the female demon of Greek mythology (the asteroid 248 Lameia is also named after this figure).<ref name=Schmadel>Lutz D. Schmadel, Dictionary of Minor Planet Names, p. 25.</ref>

Photometric observations of this asteroid in 1985 gave a light curve with a period of 9.127 ± 0.009 hours and a brightness variation of 0.29 ± 0.03 in magnitude. The curve is symmetrical with a single maxima and minima. This object has a spectrum that matches an XC classification; occupying the transition range between an X-type and a C-type asteroid.<ref name="diMartino1995"/>

Two occultations of stars by Lomia have so far been observed, in 2000 and 2003.


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