value quality siderealorsynodic author ref method 5.2820 2 Synodic Schober 1983A&AS...53...71S Lightcurve 6.2443 3 Synodic Behrend LCDB Lightcurve 6.2447 2 Sidereal Durech 2023A&A...675A..24D Model 6.2447 2 Sidereal Durech 2009A&A...493..291D Model 6.2447 2 Sidereal Durech 2011Icar..214..652D Model 6.2447 2 Sidereal Durech LCDB Model 6.2447 2 Sidereal Hanus 2011A&A...530A.134H Model 6.2447 2 Sidereal Hanus 2013Icar..226.1045H Model 6.2447 2 Sidereal Martikainen 2021A&A...649A..98M Model 6.2461 3 Synodic Behrend LCDB Lightcurve