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 surname "Novák" are possessive adjectives in the plural; their endings depend on the gender and case. Surnames that are adjectives in the masculine singular: All forms of the surname "Novotný" are adjectives in the plural; their endings depend on the gender and case. The form "Novotných" is in the genitive case. 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