value quality siderealorsynodic author ref method 16.4683 2 Sidereal Durech 2016A&A...587A..48D Model 16.4684 2 Sidereal Hanus LCDB Model 16.4684 2 Sidereal Martikainen 2021A&A...649A..98M Model 16.4684 2 Sidereal Durech 2023A&A...675A..24D Model 16.4684 2 Sidereal Hanus 2018Icar..299...84H Model 16.4760 3 Synodic Behrend LCDB Lightcurve 16.4800 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 16.5050 2 Synodic Waszczak 2015AJ....150...75W Lightcurve