value quality siderealorsynodic author ref method 14.0000 1 Synodic Schober 1986acm..proc...73S Lightcurve 4.7740 2 Synodic Behrend LCDB Lightcurve 4.7776 2 Synodic Higgins 2011MPBu...38...41H Lightcurve 4.7780 3 Synodic Stephens 2012MPBu...39..181S Lightcurve 4.7870 2 Synodic Dotto 1992A&AS...95..195D Lightcurve 4.8200 Synodic Schober 1994A&AS..105..281S Lightcurve