value quality siderealorsynodic author ref method 8.7900 2 Synodic Yeh 2020AJ....160...73Y Lightcurve 8.8000 2 Synodic Angeli 2001AJ....121.2245A Lightcurve 8.8200 2 Synodic Ditteon 2019MPBu...46..127D Lightcurve 8.8265 2 Sidereal Hanus 2013A&A...559A.134H Model 8.8270 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve 8.8300 3 Synodic Colazo 2021MPBu...48...50C Lightcurve 9.3650 2+ Synodic Behrend LCDB Lightcurve