value quality siderealorsynodic author ref method 5.5200 2 Synodic Chang 2016ApJS..227...20C Lightcurve 5.5300 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve 5.5300 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 5.5313 2 Sidereal Durech 2023A&A...675A..24D Model