value quality siderealorsynodic author ref method 3.8230 2+ Synodic Fauerbach 2019MPBu...46..418F Lightcurve 3.8308 2 Sidereal Durech 2016A&A...587A..48D Model 3.8310 2 Synodic Fauerbach 2022MPBu...49..106F Lightcurve 3.8320 3- Synodic Fauerbach 2019MPBu...46...21F Lightcurve