value quality siderealorsynodic author ref method 11.3890 2+ Synodic Behrend LCDB Lightcurve 11.8800 2 Synodic Debehogne 1982A&AS...50..277D Lightcurve 11.8877 2 Synodic Pal 2020ApJS..247...26P Lightcurve 11.8900 2 Sidereal Durech 2023A&A...675A..24D Model 11.8900 3- Synodic Harris 1980Icar...43...20H Lightcurve 11.8901 2 Sidereal Hanus 2016A&A...586A.108H Model 11.8901 2 Sidereal Viikinkoski 2017A&A...607A.117V Model 11.8901 Synodic Vernazza 2021A&A...654A..56V Lightcurve 11.8906 3 Synodic Higgins 2009MPBu...36..143H Lightcurve 11.9000 3 Synodic Schober 1982A&A...107..402S Lightcurve