value quality siderealorsynodic author ref method 32.3800 2+ Synodic Mottola 2011AJ....141..170M Lightcurve 32.4000 2 Synodic Mottola 2011AJ....141..170M Lightcurve 32.4000 2 Synodic Mottola 2011AJ....141..170M Lightcurve 479.0000 3- Synodic Stephens 2018MPBu...45..124S Lightcurve