value quality siderealorsynodic author ref method 24.0000 2 Synodic Schober 1994A&AS..105..281S Lightcurve 29.6070 2- Synodic Behrend LCDB Lightcurve 29.6100 1 Synodic Behrend LCDB Lightcurve 52.2300 3 Synodic Stephens 2008MPBu...35...21S Lightcurve 7.0000 1 Synodic Di Martino 1984Icar...60...75D Lightcurve 8.0240 1 Synodic Riccioli 2001P&SS...49..657R Lightcurve