value quality siderealorsynodic author ref method 9.7330 3 Synodic Barucci 1989BAAS...21..963B Lightcurve 9.7330 3 Synodic Di Martino 1990Icar...87..372D Lightcurve 9.7351 3 Synodic Behrend LCDB Lightcurve 9.7357 2 Sidereal Hanus 2016A&A...586A.108H Model 9.7357 2 Sidereal Martikainen 2021A&A...649A..98M Model 9.7360 3 Synodic Ditteon 2007MPBu...34...59D Lightcurve 9.7400 1 Synodic Behrend LCDB Lightcurve 9.7400 2- Synodic Behrend LCDB Lightcurve 9.7610 2 Synodic Riccioli 2001P&SS...49..657R Lightcurve