value quality siderealorsynodic author ref method 10.5430 2 Synodic Polakis 2022MPBu...49..298P Lightcurve 10.5650 3 Synodic Pilcher 2022MPBu...49..346P Lightcurve 10.5700 3 Synodic Alton 2016MPBu...43..217A Lightcurve 10.6400 3 Synodic Denchev 2000P&SS...48..987D Lightcurve 10.6400 3 Synodic Denchev LCDB Lightcurve 12.0000 2 Synodic Behrend LCDB Lightcurve