value quality siderealorsynodic author ref method 12.9700 2 Synodic Yeh 2020AJ....160...73Y Lightcurve 21.4500 3- Synodic Linville 2017MPBu...44..173L Lightcurve 21.4780 2 Sidereal Durech 2023A&A...675A..24D Model