801 Helwerthia
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801 Helwerthia is a C-type asteroid orbiting in the Main belt near the Eunomia family. However, it is not a family member but an un-related interloper in the region because its composition is inconsistent with membership. Its diameter is about 33 km, its albedo around 0.038.[1] An international team of astronomers observed this minor planet photometrically in 2012, determining a rotation period of Script error: No such module "val". with an amplitude of Script error: No such module "val". in magnitude.[2]
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