value quality siderealorsynodic author ref method 8.0969 3 Synodic Pravec LCDB Lightcurve 8.1000 3 Synodic Stephens 2007MPBu...34...31S Lightcurve 8.1040 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve 8.1043 2 Sidereal Hanus 2013A&A...559A.134H Model 8.1043 2 Sidereal Martikainen 2021A&A...649A..98M Model 8.1044 2 Sidereal Durech 2023A&A...675A..24D Model