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 orders, Rocco has been giving the imprisoned Florestan diminishing rations until he is nearly starved to death. Jaquino and Marzelline are alone in Rocco's house. Jaquino asks Marzelline when she will agree to marry him, but she says that she will never marry him now that she has fallen in love with Fidelio, unaware that Fidelio is actually Leonore in disguise ("Jetzt, Schätzchen, jetzt sind wir allein"—"Now, darling, now we are alone"). Jaquino leaves, and Marzelline expresses her desire to become Fidelio's wife ("O wär ich schon mit dir vereint"—"If only I were already united with thee"). Rocco enters, looking