value quality siderealorsynodic author ref method 18.6100 2 Synodic Gil 2003RMxAA..39...69G Lightcurve 27.8800 2- Synodic Behrend LCDB Lightcurve 29.4340 3- Synodic Garceran 2015MPBu...42..235G Lightcurve 29.7470 2+ Synodic Dose 2021MPBu...48..228D Lightcurve 29.8094 2 Synodic Pal 2020ApJS..247...26P Lightcurve 29.8190 2 Synodic Colazo 2023MPBu...50...51C Lightcurve 29.8500 2 Sidereal Durech 2023A&A...675A..24D Model