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
Matus Tomko Dvorak International Vocal Competition in opera singing in Karlovy Vary, Czech Republic. As a principal soloist at the State Theatre in Kosice he has sung many roles of the world repertoire (Brander in Faust, Mícha – in the Bartered Bride, Samuel Ribbing in Un Ballo in Maschera by G. Verdi, Marchese d'Obigny in La Traviata by G. Verdi, Masetto in Don Giovanni by W. A. Mozart, captain Zuniga in Carmen by G. Bizet, etc.). In 2009, he performed the role of Jan (John) in the worldwide premiere of the original Slovak opera - Šavol (Saul) of which the music was