value quality siderealorsynodic author ref method 0.6200 Synodic Erasmus 2018ApJS..237...19E Lightcurve 0.6200 Synodic Erasmus 2019ApJS..242...15E Lightcurve 5.1990 2 Synodic Albers 2010MPBu...37..152A Lightcurve 5.2126 2 Sidereal Athanasopoulos 2024A%26A...690A.215A Model