value quality siderealorsynodic author ref method 20.0160 3 Synodic Stephens 2020CBET.4892....1S Lightcurve 20.0160 3 Synodic Warner 2021MPBu...48..187W Lightcurve 26.0190 2 Sidereal Athanasopoulos 2024A%26A...690A.215A Model 5.4200 2- Synodic Pravec LCDB Lightcurve