value quality siderealorsynodic author ref method 3.7500 2 Synodic Duddy 2012A&A...539A..36D Lightcurve 3.7547 3 Synodic Pravec 2010Natur.466.1085P Lightcurve 3.7549 3 Synodic Pravec 2019Icar..333..429P Lightcurve 3.7549 2 Sidereal Polishook 2020Icar..33613415P Model 3.7554 2 Sidereal Polishook 2014Icar..241...79P Model 3.7555 3 Synodic Pravec LCDB Lightcurve