value quality siderealorsynodic author ref method 10.0000 Synodic Haupt LCDB Lightcurve 8.4700 2 Synodic Behrend LCDB Lightcurve 8.4952 2 Sidereal Durech LCDB Model 8.4952 2 Sidereal Hanus 2016A&A...586A.108H Model 8.4952 2 Sidereal Martikainen 2021A&A...649A..98M Model 8.4973 3 Synodic Behrend LCDB Lightcurve 8.5000 3 Synodic Magnusson 1991A&AS...87..269M Lightcurve 8.5100 3- Synodic Behrend LCDB Lightcurve 8.5300 3 Synodic Lagerkvist 1992A&AS...95..461L Lightcurve