value quality siderealorsynodic author ref method 3.8260 2 Synodic Lang 2020MPBu...47...71L Lightcurve 3.8280 2+ Synodic Klinglesmith 2019MPBu...46..329K Lightcurve 3.8280 3- Synodic Marchini 2019MPBu...46..213M Lightcurve 3.8300 2+ Synodic Carreno 2019MPBu...46..200C Lightcurve 3.8300 3- Synodic Zeigler 2019MPBu...46..191Z Lightcurve