71 Niobe (/ˈnaɪ.əbiː/ NY-ə-bee) is a large slowly rotating main-belt asteroid. It was discovered by the German astronomer Robert Luther on August 13 1861 and named after Niobe a character in Greek mythology. In 1861 the brightness of this asteroid was shown to vary by German astronomer Friedrich Tietjen.In 2006 it was examined by radar using the Arecibo Observatory radio telescope in Puerto Rico. This was supplemented by optical observations intended to build a lightcurve.
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