value quality siderealorsynodic author ref method 2.9392 3 Synodic Molnar 2007MPBu...34..126M Lightcurve 2.9415 3 Synodic Molnar 2007MPBu...34..126M Lightcurve 2.9419 2 Sidereal Durech 2020A&A...643A..59D Model