value quality siderealorsynodic author ref method 6.5100 3 Synodic Polishook LCDB Lightcurve 6.5150 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 6.5153 2 Sidereal Durech 2023A&A...675A..24D Model 6.5160 2 Synodic Waszczak 2015AJ....150...75W Lightcurve