2047 Smetana an albedo of 0.544. The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.30 – a compromise value between 0.4 and 0.2, corresponding to the Hungaria asteroids both as family and orbital group – and calculates a diameter of 3.85 kilometers with an absolute magnitude of 14.0. This minor planet was named for the Czech national composer Bedřich Smetana (1824–1884), best known for the opera "The Bartered Bride", the cycle of six symphonic poems "My homeland" and the string quartet "From my life". The approved naming citation was published by the Minor Planet Center before November 1977 (). 2047 Smetana
The Bartered Bride premiere "The Bartered Bride" has entered the repertory of all major opera companies, and is regularly revived worldwide. After several unsuccessful attempts to stage it in France, it was premiered at the Opéra-Comique in Paris in 1928, sung in French as "La Fiancée vendue". In 2008 the opera was added to the repertoire of the Paris Opera, in a new production staged at the Palais Garnier. In the English-speaking world, recent productions of "The Bartered Bride" in London have included the Royal Opera House (ROH) presentation in 1998, staged at Sadler's Wells during the restoration of the ROH's headquarters at