value quality siderealorsynodic author ref method 6.5280 3 Synodic Behrend LCDB Lightcurve 6.5338 2 Sidereal Durech 2020A&A...643A..59D Model 6.5340 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve 6.5340 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 6.5340 3 Synodic Pravec LCDB Lightcurve 6.5357 3 Synodic Oey 2018MPBu...45..363O Lightcurve 6.5360 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 6.5370 3 Synodic Aznar 2016MPBu...43..350M Lightcurve 6.7910 2+ Synodic Mansego 2016MPBu...43..332M Lightcurve