value quality siderealorsynodic author ref method 12.0860 2 Synodic Behrend LCDB Lightcurve 12.0896 2 Synodic Garlitz LCDB Lightcurve 12.0930 3 Synodic Pilcher 2012MPBu...39..204P Lightcurve 12.0948 2 Sidereal Hanus 2016A&A...586A.108H Model 12.1000 2 Synodic Schober 1979A&AS...38..269S Lightcurve 12.1000 2+ Synodic Harris 1980Icar...43...20H Lightcurve