value quality siderealorsynodic author ref method 11.0537 2 Synodic Noschese 2018MPBu...45..238N Lightcurve 8.9830 2+ Synodic Pligge 2011MPBu...38....5P Lightcurve 9.0060 2+ Synodic Polakis 2022MPBu...49..131P Lightcurve