value quality siderealorsynodic author ref method 6.1410 2+ Synodic Odden 2022MPBu...49..246O Lightcurve 6.1412 3- Synodic Ergashev 2019MPBu...46..229E Lightcurve 6.1415 2 Sidereal Durech 2019A&A...631A...2D Model