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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 is also the name of a song on the album Valentina by The Wedding Present.

References

1. "524 Fidelio (1904 NN)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 6 May 2016.
2. Available on line: ; reference is on p. 56.

External links

• Lightcurve plot of (524) Adelaide, Antelope Hills Observatory
• 524 Fidelio at AstDyS-2, Asteroids—Dynamic Site
  • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
• 524 Fidelio at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters

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