value quality siderealorsynodic author ref method 9.5630 Synodic Hainaut Rouelle 1995A&AS..112..125H Lightcurve 9.5654 3- Synodic Behrend LCDB Lightcurve 9.5660 3 Synodic Debehogne 1977A&AS...30..375D Lightcurve 9.5700 2- Synodic Behrend LCDB Lightcurve 9.5700 2 Synodic Skiff 2023MPBu...50...74S Lightcurve