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 some discussion, Kecal announces that he has found a groom for Mařenka – Vašek, younger son of Tobiáš Mícha, a wealthy landowner; the older son, he explains, is a worthless good-for-nothing. Kecal extols the virtues of Vašek ("He's a nice boy, well brought up"), as Mařenka re-enters. In the subsequent quartet she responds by saying that she already has a chosen lover. Send him packing, orders Kecal. The four argue, but little is resolved. Kecal decides he must convince Jeník to give up Mařenka, as the villagers return, singing and dancing a festive polka. The men of the village join