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{{#invoke:Infobox|infobox}} 233 Asterope is a main-belt asteroid that was discovered by A. Borrelly on May 11, 1883, in Marseilles, France. The asteroid was named after Asterope (or Sterope), one of the Pleiades. It is a rare T-type asteroid<ref name="aas128_525"/> and has a relatively dark surface. The spectrum of 233 Asterope bears a resemblance to Troilite, a sulfurous iron mineral found in most iron meteorites.<ref name="met27_3_207"/>

Photometric observations during 1995 show a rotation period of 19.743 hours.<ref name="aas128_525"/> Measurements made with the IRAS observatory give a diameter of 109.56 ± 5.04 km and a geometric albedo of 0.08 ± 0.01. By comparison, the MIPS photometer on the Spitzer Space Telescope gives a diameter of 97.54 ± 10.32 km and a geometric albedo of 0.10 ± 0.01.<ref name="2012arXiv1204"/>


(233) Asterope sections
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