value quality siderealorsynodic author ref method 3.7430 2 Synodic Pal 2020ApJS..247...26P Lightcurve 3.7431 3 Synodic Behrend LCDB Lightcurve 3.7431 2 Sidereal Hanus 2013A&A...551A..67H Model 3.7490 3 Synodic Di Martino 1994Icar..109..210D Lightcurve