Marion (minor planet designation: 506 Marion) is a minor planet orbiting the Sun. It was discovered by Raymond Smith Dugan in February 1903, and was later named after a cousin of his. It is designated as a C-type asteroid with a size of approximately . References External links Lightcurve plot of 506 Marion, Palmer Divide Observatory, B. D. Warner (2009) Lightcurves 506 Marion, tripod.com Asteroid Lightcurve Database (LCDB), query form (info ) Dictionary of Minor Planet Names, Google books Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center Background asteroids Marion Marion XC-type asteroids (Tholen) 19030217