value quality siderealorsynodic author ref method 8.8798 3 Synodic Behrend LCDB Lightcurve 8.8855 3 Synodic Behrend LCDB Lightcurve 8.8873 3 Synodic Behrend LCDB Lightcurve 8.8877 2 Sidereal Hanus 2013A&A...551A..67H Model 8.8877 2 Sidereal Martikainen 2021A&A...649A..98M Model 8.8886 3 Synodic Behrend LCDB Lightcurve 8.9300 3 Synodic Schober 1981A&A...100..311S Lightcurve