value quality siderealorsynodic author ref method 131.3000 2 Synodic Galad 2009MPBu...36...13G Lightcurve 131.5850 2 Sidereal Durech 2020A&A...643A..59D Model 24.0000 1 Synodic Behrend LCDB Lightcurve 39.9000 2- Synodic Warner 2005MPBu...32...54W Lightcurve