value quality siderealorsynodic author ref method 10.7270 2 Synodic Behrend LCDB Lightcurve 10.7400 2 Synodic Behrend LCDB Lightcurve 10.7413 3 Synodic Behrend LCDB Lightcurve 10.7423 3 Synodic Behrend LCDB Lightcurve 10.7436 2 Sidereal Podlewska 2020A&A...638A..11P Model 10.7436 2 Sidereal Durech 2018Icar..304..101D Model 10.7580 Synodic Piironen 1998A&AS..128..525P Lightcurve 10.7580 3 Synodic Gil 1988MPBu...15...39H Lightcurve 20.0000 1 Synodic Harris 1983Icar...54...59H Lightcurve