value quality siderealorsynodic author ref method 16.2600 2 Synodic Warner 2005MPBu...32...90W Lightcurve 18.0000 1 Synodic Behrend LCDB Lightcurve 4.0000 1 Synodic CALL LCDB Lightcurve 540.0000 2 Synodic Warner 2010MPBu...37..127W Lightcurve