value quality siderealorsynodic author ref method 19.4000 2 Synodic Molnar 2008MPBu...35...82M Lightcurve 9.1370 2- Synodic Mottola 2011AJ....141..170M Lightcurve 9.1460 2 Synodic Kalup 2021ApJS..254....7K Lightcurve 9.2430 2 Synodic Stephens 2022MPBu...49...51S Lightcurve