value quality siderealorsynodic author ref method 7.7175 3 Synodic Mollica 2019MPBu...46...76M Lightcurve 7.7178 2 Sidereal Durech 2023A&A...675A..24D Model 7.7180 3 Synodic Pravec LCDB Lightcurve 7.7181 3 Synodic Behrend LCDB Lightcurve 7.7246 2+ Synodic Owings 2019MPBu...46..272O Lightcurve