value quality siderealorsynodic author ref method 3.3502 3 Synodic Pravec 2019Icar..333..429P Lightcurve 3.3503 3 Synodic Pravec 2013IAUC.9268....1P Lightcurve 3.6040 3 Synodic Polishook 2014MPBu...41...49P Lightcurve