value quality siderealorsynodic author ref method 12.5130 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 12.5310 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve 12.5320 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 12.5327 2 Sidereal Durech 2023A&A...675A..24D Model