value quality siderealorsynodic author ref method 2.3200 2- Synodic Warner 2017MPBu...44..335W Lightcurve 2.3370 2+ Synodic Monteiro 2018MPBu...45..221M Lightcurve 2.3370 2+ Synodic Warner 2017MPBu...44...22W Lightcurve 2.3400 2 Synodic Pravec 1996Icar..124..471P Lightcurve