value quality siderealorsynodic author ref method 2.4660 2- Synodic Klinglesmith 2016MPBu...43..234K Lightcurve 2.7614 3 Synodic Pligge 2011MPBu...38..137P Lightcurve 2.7620 3 Synodic Stephens 2011MPBu...38...23S Lightcurve 9.0900 2 Synodic Behrend LCDB Lightcurve