value quality siderealorsynodic author ref method 13.5800 Synodic Hainaut Rouelle 1995A&AS..112..125H Lightcurve 13.5836 2 Sidereal Hanus 2011A&A...530A.134H Model 13.5836 2 Sidereal Hanus 2013Icar..226.1045H Model 13.5836 2 Sidereal Hanus 2016A&A...586A.108H Model 13.5836 2 Sidereal Viikinkoski 2017A&A...607A.117V Model 13.5900 3- Synodic Behrend LCDB Lightcurve 13.5900 3 Synodic Harris 1979Icar...38..100H Lightcurve 13.5905 2 Sidereal Cellino 2019A&A...631A..67C Model 13.5970 2 Sidereal Denchev 1998P&SS...46..673D Model 13.5970 2 Sidereal Torppa 2003Icar..164..346T Model