value quality siderealorsynodic author ref method 20.0000 2- Synodic Behrend LCDB Lightcurve 25.4400 2+ Synodic Behrend LCDB Lightcurve 25.5438 2 Sidereal Durech 2018A&A...617A..57D Model 25.5442 2 Sidereal Martikainen 2021A&A...649A..98M Model 25.5450 2 Sidereal Durech 2023A&A...675A..24D Model 54.8000 2 Synodic Pravec LCDB Lightcurve