value quality siderealorsynodic author ref method 60.0000 2 Synodic Szabo 2016A&A...596A..40S Lightcurve 8.3375 2 Sidereal Durech 2023A&A...675A..24D Model 8.3376 2 Sidereal Durech 2019A&A...631A...2D Model 8.3402 3 Synodic Contreras 2019MPBu...46..381C Lightcurve