value quality siderealorsynodic author ref method 2.7100 2+ Synodic Benishek 2022MPBu...49..333B Lightcurve 2.7910 2 Synodic Polakis 2021MPBu...48..144P Lightcurve 2.7910 3 Synodic Dykhuis 2016Icar..267..174D Lightcurve 2.7910 3 Synodic Dykhuis 2016Icar..267..174D Lightcurve 2.7911 2+ Synodic Dykhuis 2016Icar..267..174D Lightcurve 2.9710 3 Synodic Pravec LCDB Lightcurve