value quality siderealorsynodic author ref method 1.9700 2 Synodic Zeigler 1985Icar...62..512Z Lightcurve 2.4000 2 Synodic Harris 1985BAAS...17R.726H Lightcurve 2.7050 1 Synodic Skiff 2019MPBu...46..458S Lightcurve 2.7050 2 Synodic Mottola LCDB Lightcurve 2.7053 3 Synodic Pravec 2006Icar..181...63P Lightcurve