value quality siderealorsynodic author ref method 3.6859 3 Synodic Pravec LCDB Lightcurve 3.6860 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 3.6860 3- Synodic Pravec LCDB Lightcurve 3.6862 2 Sidereal Durech 2023A&A...675A..24D Model 3.6863 3 Synodic Pravec LCDB Lightcurve 3.6900 3- Synodic Benishek 2017MPBu...44..151B Lightcurve 3.6930 3- Synodic Behrend LCDB Lightcurve