value quality siderealorsynodic author ref method 3.3980 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 3.3990 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 3.4000 3- Synodic Polishook LCDB Lightcurve 3.4380 2 Synodic Waszczak 2015AJ....150...75W Lightcurve