value quality siderealorsynodic author ref method 1.5641 2 Synodic Pal 2020ApJS..247...26P Lightcurve 3.1130 2 Synodic Stephens 2018MPBu...45..299S Lightcurve 3.1240 3 Synodic Wisniewski 1991Icar...90..117W Lightcurve 3.1250 3- Synodic Benishek 2018MPBu...45..187B Lightcurve 3.1300 3- Synodic Klinglesmith 2014MPBu...41...82K Lightcurve