value quality siderealorsynodic author ref method 10.0000 1 Synodic Tedesco LCDB Lightcurve 13.3330 2 Synodic Gil 1990RMxAA..21..593G Lightcurve 27.0600 2 Synodic Behrend LCDB Lightcurve 27.0660 3 Synodic Galad 2009MPBu...36..116G Lightcurve 27.0680 3- Synodic Behrend LCDB Lightcurve