value quality siderealorsynodic author ref method 3.0800 3 Synodic Stephens 2020MPBu...47..125S Lightcurve 3.5340 2 Synodic Marchini 2020MPBu...47...69M Lightcurve 3.5360 2 Synodic Polakis 2020MPBu...47...94P Lightcurve