value quality siderealorsynodic author ref method 10.7000 2 Synodic Van Houten Groeneveld 1958ApJ...127..253V Lightcurve 11.7500 1 Synodic Lang 1996MPBu...23...15L Lightcurve 13.7200 2 Synodic Lang 1999MPBu...26...15L Lightcurve 13.7204 3 Synodic Behrend LCDB Lightcurve 13.7220 3- Synodic Pilcher 2011MPBu...38..183P Lightcurve 13.7220 3 Synodic Pilcher 2010MPBu...37..119P Lightcurve 13.7220 2 Sidereal Vernazza 2021A&A...654A..56V Model 13.7220 2 Sidereal Hanus 2013A&A...551A..67H Model 13.7220 2 Sidereal Hanus 2017A&A...601A.114H Model 13.7293 3 Synodic Stephens 2008DPS....40.2816S Lightcurve 5.0000 1 Synodic Melillo 1994MPBu...21...15M Lightcurve 7.8300 2 Synodic Barucci 1985Icar...61..152B Lightcurve 9.4300 2 Synodic Piironen 1998A&AS..128..525P Lightcurve