value quality siderealorsynodic author ref method 32.8900 Synodic Yoshida 2004PASJ...56.1105Y Lightcurve 32.8900 2 Synodic Yoshida 2016Icar..269...15Y Lightcurve 32.9140 2 Synodic Waszczak 2015AJ....150...75W Lightcurve