value quality siderealorsynodic author ref method 5.2950 3- Synodic Menzies LCDB Lightcurve 5.2955 2 Sidereal Durech 2020A&A...643A..59D Model 5.2955 2 Sidereal Durech 2023A&A...675A..24D Model 5.3000 2 Synodic Chang 2014ApJ...788...17C Lightcurve