value quality siderealorsynodic author ref method 15.6700 1 Synodic Behrend LCDB Lightcurve 15.6700 2- Synodic Behrend LCDB Lightcurve 15.6700 2 Synodic Scaltriti 1979Icar...39..124S Lightcurve 15.6770 2 Synodic Pilcher 2010MPBu...37..119P Lightcurve 15.6790 3 Synodic Pilcher 2011MPBu...38..183P Lightcurve 15.6830 3 Synodic Pilcher 2019MPBu...46..445P Lightcurve