value quality siderealorsynodic author ref method 2.8800 3- Synodic Behrend LCDB Lightcurve 2.8802 2 Sidereal Durech 2020A&A...643A..59D Model 2.8803 3 Synodic Pravec LCDB Lightcurve 2.8803 3 Synodic Pravec LCDB Lightcurve 2.8803 3 Synodic Pravec LCDB Lightcurve 2.8804 3 Synodic Pravec LCDB Lightcurve 2.8810 3 Synodic Carbognani 2017MPBu...44...52C Lightcurve 2.8816 3 Synodic Pravec LCDB Lightcurve