value quality siderealorsynodic author ref method 2.9880 2 Synodic Wisniewski 1991Icar...90..117W Lightcurve 3.4153 3 Synodic Stephens 2019MPBu...46...66S Lightcurve 3.4156 2 Sidereal Durech 2023A&A...675A..24D Model 3.4158 3- Synodic Kryszczynska 2012A&A...546A..72K Lightcurve 3.4158 3 Synodic Behrend LCDB Lightcurve