value quality siderealorsynodic author ref method 7.1491 2 Sidereal Martikainen 2021A&A...649A..98M Model 7.1491 2 Sidereal Hanus 2018Icar..299...84H Model 7.1491 2 Sidereal Durech 2023A&A...675A..24D Model 7.1512 2 Synodic Pal 2020ApJS..247...26P Lightcurve 7.2500 3- Synodic Warner 2010MPBu...37..112W Lightcurve