value quality siderealorsynodic author ref method 12.1000 2 Synodic Behrend LCDB Lightcurve 15.0000 2 Synodic Hainaut Rouelle 1995A&AS..112..125H Lightcurve 15.7715 2 Sidereal Martikainen 2021A&A...649A..98M Model 15.7715 2 Sidereal Hanus 2011A&A...530A.134H Model 15.7717 2 Sidereal Durech 2023A&A...675A..24D Model 15.7730 3 Synodic Warner 2010MPBu...37..161W Lightcurve 15.7800 3- Synodic Warner 2012MPBu...39...69W Lightcurve