value quality siderealorsynodic author ref method 4.5179 2 Synodic Kryszczynska 2012A&A...546A..72K Lightcurve 4.5179 3- Synodic Kryszczynska 2012A&A...546A..72K Lightcurve 6.8000 1 Synodic Angeli 2001AJ....121.2245A Lightcurve