value quality siderealorsynodic author ref method 15.8500 3- Synodic Gartrelle 2012MPBu...39...40G Lightcurve 15.8510 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 15.8520 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve 15.8525 3 Synodic Baker 2011MPBu...38..111B Lightcurve 15.8533 2 Sidereal Durech 2023A&A...675A..24D Model 15.8540 2 Sidereal Durech 2016A&A...587A..48D Model