value quality siderealorsynodic author ref method 3.8389 2 Synodic Bowens 2014MPBu...41...58B Lightcurve 3.8400 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 3.8400 3- Synodic Oey 2017MPBu...44..193O Lightcurve 3.8400 3 Synodic Pravec LCDB Lightcurve 3.8400 3 Synodic Ryan 2003IAUC.8128....2R Lightcurve 3.8400 3 Synodic Ryan 2004P&SS...52.1093R Lightcurve