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In page 21509 Lucascavin:

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Between 2006 and 2016, several rotational lightcurves of Lucascavin have been obtained from photometric observations by Czech astronomer Petr Pravec. Best-rated lightcurve analysis from 2013 gave a rotation period of 5.784±0.004 hours with a consolidated brightness amplitude between 0.23 and 0.30 magnitude (U=2/3/3-).[1][2] Pravec also determined a low V–R color index of 0.474.[2]