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Result based on fragmentary lightcurve(s), may be completely wrong. Published Reference List: [Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
233572 (2007 PR31) Discovered 2007-Aug-08 by LINEAR at Socorro