value quality siderealorsynodic author ref method 1.1300 Synodic Erasmus 2018ApJS..237...19E Lightcurve 1.1300 Synodic Erasmus 2019ApJS..242...15E Lightcurve 187.4350 2 Synodic Waszczak 2015AJ....150...75W Lightcurve