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
Czech name Czech name Czech names are composed of a given name and a surname. Czechs typically get one given name – additional names may be chosen by themselves upon baptism but they generally use one. With marriage, the bride typically adopts the bridegroom's surname. In the Czech Republic, names are simply known as "jména" ("names") or, if the context requires it, "křestní jména" ("Baptism names"). The singular form is "jméno". Generally, a given name may have Christian roots or traditional Slavic pre-Christian origin (e.g. Milena, Dobromira, Jaroslav, Václav, Vojtěch). In the past, it was common to give only officially recognized names