value quality siderealorsynodic author ref method 25.2820 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 25.3130 2 Sidereal Durech 2023A&A...675A..24D Model 34.4190 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve