value quality siderealorsynodic author ref method 12.7365 3- Synodic Benishek 2013MPBu...40..100B Lightcurve 15.5000 1 Synodic Robinson 2002MPBu...29...30R Lightcurve 17.3380 2 Synodic Colazo 2021MPBu...48..363C Lightcurve