524 Fidelio 524 Fidelio Fidelio (minor planet designation: 524 Fidelio) is a large minor planet with a diameter of 71 km, orbiting the Sun near the center of the main asteroid belt. Fidelio contains both metals and carbon (Spectral class XC). Concerning its name, the "Catalogue of Minor Planet Names and Discovery Circumstances" notes, "This is the name of Leonora when disguised as a man in the opera "Fidelio" (composed 1805) by the German composer Ludwig van Beethoven. The name dates from a period when Max Wolf assigned the names of female operatic characters to asteroids he had newly discovered. 524 Fidelio
Fidelio he must be killed and buried within the hour. Fidelio is shaken; Rocco tries to discourage Fidelio from coming, but Fidelio insists. As they prepare to leave, Jaquino and Marzelline rush in and tell Rocco to run, as Pizarro has learned that the prisoners were allowed to roam, and is furious ("Ach, Vater, Vater, eilt!"—"O, father, father, hurry!"). Before they can leave, Pizarro enters and demands an explanation. Rocco, thinking quickly, answers that the prisoners were given a little freedom in honor of the Spanish king's name day, and quietly suggests that Pizarro should save his anger for the prisoner