value quality siderealorsynodic author ref method 15.0000 1 Synodic Harris 1992Icar...95..115H Lightcurve 22.2400 2- Synodic Behrend LCDB Lightcurve 22.3416 2 Sidereal Martikainen 2021A&A...649A..98M Model 22.3416 2 Sidereal Hanus 2016A&A...586A.108H Model 22.3460 3 Synodic Pilcher 2009MPBu...36...25P Lightcurve