value quality siderealorsynodic author ref method 8.8720 2 Synodic McNeill 2019ApJS..245...29M Lightcurve 8.8772 2 Synodic Pal 2020ApJS..247...26P Lightcurve 8.8850 3 Synodic Warner 2013MPBu...40..137W Lightcurve 8.8867 2 Sidereal Durech 2020A&A...643A..59D Model 8.8870 3- Synodic Klinglesmith 2017MPBu...44..244K Lightcurve 8.8882 3 Synodic Behrend LCDB Lightcurve 8.8882 3 Synodic Shepard 2008Icar..195..184S Lightcurve 8.8900 2+ Synodic Behrend LCDB Lightcurve 8.9190 2 Synodic Dotto 1992A&AS...95..195D Lightcurve