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524 Fidelio

main-belt asteroid
Thing asteroid Q155154

Facts

28 properties
Instance of
asteroid
Follows
523 Ada[5]
Followed by
525 Adelaide[6]
Absolute magnitude
9.85[15]
Albedo
0.048
Apoapsis
2.969984752581879 astronomical unit[22]
Argument of periapsis
79.46853758551374 degree[24]
Asteroid spectral type
X-type asteroid[12]
Diameter
65.527 km
Discoverer or inventor
Max Wolf[2]
Epoch
November 21, 2025
Imported from
wholeness_audit_2026-05-02_v2
Longitude of ascending node
326.6325851915558 degree[20]
Mean anomaly
259.4048835059912 degree[25]
Minor planet group
asteroid belt[7]
Named after
Leonore[4]
Orbital eccentricity
0.1265164550215446[14]
Orbital inclination
8.223 degree, 8.221300931312674 degree[16][17]
Orbital period
1,563.592025067284 day[18]
Parent astronomical body
Sun[8]
Periapsis
2.302880529310658 astronomical unit[23]
Provisional designation
A904 ED, 1953 UT[9][10]
Rotation period
14.198 hour[19]
Semi-major axis of an orbit
2.636432640946269 astronomical unit[21]
Show all 28 facts +4
Significant event
naming[13]
Site of astronomical discovery
Heidelberg-Königstuhl State Observatory[3]
Time of discovery or invention
March 14, 1904[11]
Time of periapsis
2,461,437.4158941964 Julian day
🏷️ Also known as
en (524) Fidelio en Fidelio de 524 Fidelio el 524 Φιντέλιο fa سیارک ۵۲۴ ja フィデリオ ru 1953 UT ru 1904 NN ru (524) 1904 NN ru (524) Фиделия ru A904NN ru Фиделия uk 524 Фіделіо zh 小行星524
🔖 Identifiers · 3
Freebase ID
/m/08lwfx
JPL Small-Body Database SPK-ID
20000524
Minor Planet Center body ID
524

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Summary

524 Fidelio is an asteroid[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . Minor Planet Center database. wikidata.org.
  5. [6] ↑ . Minor Planet Center database. wikidata.org.
  6. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). 524 Fidelio. Retrieved November 4, 2026, from https://4ort.xyz/entity/524-fidelio
MLA “524 Fidelio.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 2026, https://4ort.xyz/entity/524-fidelio.
BibTeX @misc{4ortxyz_524-fidelio_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{524 Fidelio}}, year = {2026}, url = {https://4ort.xyz/entity/524-fidelio}, note = {Accessed: 2026-11-04}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 524 Fidelio — https://4ort.xyz/entity/524-fidelio (retrieved 2026-11-04)

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