value quality siderealorsynodic author ref method 42.0645 2 Synodic Pal 2020ApJS..247...26P Lightcurve 42.4900 2+ Synodic Pilcher 2015MPBu...42..239P Lightcurve 42.6500 3 Synodic Pilcher 2019MPBu...46..130P Lightcurve 42.6500 3 Synodic Pilcher LCDB Lightcurve 45.2510 2+ Synodic Colazo 2021MPBu...48..391C Lightcurve 59.5000 2- Synodic Behrend LCDB Lightcurve