value quality siderealorsynodic author ref method 2.7179 2 Sidereal Hanus 2013A&A...559A.134H Model 2.7180 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve 2.7180 2+ Synodic Kryszczynska 2012A&A...546A..72K Lightcurve 2.7182 2 Sidereal Durech 2023A&A...675A..24D Model 2.7182 2 Sidereal Durech 2016A&A...587A..48D Model 2.7200 3 Synodic Higgins 2011MPBu...38...41H Lightcurve 2.7200 3 Synodic Stephens 2011MPBu...38...23S Lightcurve 2.9400 2 Synodic Almeida 2004A&A...415..403A Lightcurve