value unc_up unc_lo author ref method 4.89 nan nan Klinglesmith 2014MPBu...41...82K Lightcurve 5.20 nan nan Benishek 2021MPBu...48..280B Lightcurve 5.20 nan nan Stephens 2014MPBu...41...13S Lightcurve 5.20 nan nan Pravec LCDB Lightcurve 5.20 nan nan Durech 2023A&A...675A..24D Model