value quality siderealorsynodic author ref method 5.3846 3- Synodic Behrend LCDB Lightcurve 5.3870 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve 5.3870 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 5.3871 2 Sidereal Durech 2020A&A...643A..59D Model 5.3880 3 Synodic Stephens 2018MPBu...45...50S Lightcurve 5.4000 2 Synodic Behrend LCDB Lightcurve 6.1200 2 Synodic Almeida 2004A&A...415..403A Lightcurve