value quality siderealorsynodic author ref method 27.4720 2 Synodic Behrend LCDB Lightcurve 15.0000 2 Synodic Wisniewski 1997Icar..126..395W Lightcurve 20.0000 1 Synodic Lupishko 1988AVest..22..167L Lightcurve 24.0000 1 Synodic Behrend LCDB Lightcurve 27.4300 2+ Synodic Behrend LCDB Lightcurve 27.4460 3 Synodic Behrend LCDB Lightcurve 27.4500 2 Synodic Behrend LCDB Lightcurve 27.4500 2 Synodic Behrend LCDB Lightcurve 27.5600 3 Synodic Koff 2006MPBu...33...31K Lightcurve