value quality siderealorsynodic author ref method 10.7715 2 Synodic Pal 2020ApJS..247...26P Lightcurve 5.0000 2 Synodic Szekely 2005P&SS...53..925S Lightcurve 5.3880 3 Synodic Colazo 2022MPBu...49...48C Lightcurve 5.4370 3- Synodic Stephens 2019MPBu...46...66S Lightcurve