value quality siderealorsynodic author ref method 7.8090 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 7.8171 2 Sidereal Durech 2020A&A...643A..59D Model 7.8200 3 Synodic Franco 2014MPBu...41..170F Lightcurve 7.8210 2 Synodic Waszczak 2015AJ....150...75W Lightcurve