value quality siderealorsynodic author ref method 16.4020 2+ Synodic Behrend LCDB Lightcurve 16.4080 2 Sidereal Durech 2020A&A...643A..59D Model 16.4100 2+ Synodic Behrend LCDB Lightcurve 16.4220 2 Synodic Behrend LCDB Lightcurve 16.4280 3- Synodic Polakis 2019MPBu...46..400P Lightcurve 16.4300 2 Synodic Gross 2003MPBu...30...44G Lightcurve