value quality siderealorsynodic author ref method 7.2400 3 Synodic Stephens 2010MPBu...37...47S Lightcurve 7.2490 3 Synodic Stephens 2021MPBu...48..167S Lightcurve 7.2500 3 Synodic Stephens 2022MPBu...49...51S Lightcurve 7.2522 2 Sidereal Durech 2023A&A...675A..24D Model 7.2580 2- Synodic Mottola 2011AJ....141..170M Lightcurve