value quality siderealorsynodic author ref method 5.7450 2 Sidereal Durech 2020A&A...643A..59D Model 5.7451 2 Sidereal Durech 2023A&A...675A..24D Model 5.7451 3 Synodic Pravec LCDB Lightcurve 5.7454 3 Synodic Pravec LCDB Lightcurve 5.7457 3- Synodic Higgins 2011MPBu...38...41H Lightcurve