value quality siderealorsynodic author ref method 8.1797 2 Synodic Pal 2020ApJS..247...26P Lightcurve 8.1820 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 8.1830 3 Synodic Franco 2019MPBu...46..196F Lightcurve 8.1844 2 Sidereal Martikainen 2021A&A...649A..98M Model 8.1845 2 Sidereal Hanus 2013A&A...551A..67H Model