value quality siderealorsynodic author ref method 5.5700 2 Synodic Binzel 1987Icar...72..135B Lightcurve 6.2440 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 6.2500 2 Synodic Behrend LCDB Lightcurve 6.2545 3 Synodic Behrend LCDB Lightcurve 6.2550 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 6.2561 2 Sidereal Durech 2016A&A...587A..48D Model 6.2561 2 Sidereal Hanus LCDB Model 6.2561 2 Sidereal Hanus 2018Icar..299...84H Model 6.2577 2 Synodic Pal 2020ApJS..247...26P Lightcurve 6.2810 3 Synodic Brines 2017MPBu...44..145B Lightcurve