Assertion: asteroid belt's object | /r/HasProperty | half the size of sedna
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text: In 2014, astronomers announced the discovery of 2012 VP113, an object half the size of Sedna in a 4,200-year orbit similar to Sedna's and a perihelion within Sedna's range of roughly 80 AU, which led some to speculate that it offered evidence of a trans-Neptunian planet.