value quality siderealorsynodic author ref method 25.9340 2 Sidereal Durech 2023A&A...675A..24D Model 25.9390 2 Sidereal Martikainen 2021A&A...649A..98M Model 25.9391 2 Sidereal Hanus 2011A&A...530A.134H Model 25.9391 2 Sidereal Hanus 2018Icar..299...84H Model 25.9391 2 Sidereal Hanus LCDB Model 25.9430 3 Synodic Pilcher 2020MPBu...47..344P Lightcurve 27.0000 2 Synodic Binzel 1987Icar...72..135B Lightcurve