1421 Esperanto in the outer asteroid belt at a distance of 2.8–3.4 AU once every 5 years and 5 months (1,983 days; semi-major axis of 3.09 AU). Its orbit has an eccentricity of 0.08 and an inclination of 10° with respect to the ecliptic. The body's observation arc begins with its first observation as at Heidelberg Observatory in October 1906, almost 30 years prior to its official discovery observation at Turku. This minor planet was named by the discoverer after the artificial language, Esperanto, which was created by inventor and writer, Ludwik Lejzer Zamenhof (1859–1917), who used the pseudonym "Doktoro Esperanto". The
Ludwik Konarzewski-junior Ludwik Konarzewski-junior Ludwik Konarzewski – junior (April 20, 1918 in Buzuluk – January 23, 1989 in Cieszyn) was a Polish painter, sculptor and teacher of fine arts who worked in Upper Silesia and Cieszyn Silesia. A square in Rydułtowy is named after him. Konarzewski owed his primary artistic education to his father, Ludwik Konarzewski – senior. He started his studies (in painting) at the Academy of Fine Arts in Kraków in 1938, and finished in 1948, being interrupted by the Second World War. He studied under the direction of (among others) the following colourist painters: Wladyslaw Jarocki, Fryderyk Pautsch, Jerzy