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579 Sidonia

main-belt asteroid
Thing Asteroid Q155655

Facts

27 properties
Instance of
asteroid
Follows
578 Happelia[5]
Followed by
580 Selene[6]
Absolute magnitude
8.02[16]
Albedo
0.1748
Apoapsis
3.241327204576706 astronomical unit[23]
Argument of periapsis
229.0902502301668 degree[25]
Asteroid spectral type
S-type asteroid, K-type asteroid[12][13]
Diameter
85.57 km
Discoverer or inventor
August Kopff[2]
Epoch
November 21, 2025
Longitude of ascending node
82.62080547815859 degree[21]
Mean anomaly
81.53747974570553 degree
Minor planet group
asteroid belt[7]
Named after
Wikidata item[4]
Orbital eccentricity
0.076188051803673[15]
Orbital inclination
11.021 degree, 11.01735219803448 degree[17][18]
Orbital period
1,909.195883123857 day[19]
Parent astronomical body
Sun[8]
Periapsis
2.782391789783612 astronomical unit[24]
Provisional designation
1905 SD, A905 VK[9][10]
Rotation period
16.29 hour[20]
Semi-major axis of an orbit
3.011859497180159 astronomical unit[22]
Significant event
naming[14]
Show all 27 facts +3
Site of astronomical discovery
Heidelberg-Königstuhl State Observatory[3]
Time of discovery or invention
November 3, 1905[11]
Time of periapsis
2,460,568.0804981925 Julian day
🏷️ Also known as
en (579) 1905 SD en (579) Sidonia en Sidonia de 579 Sidonia el 579 Σιδωνία fa سیارک ۵۷۹ ja シドニア ru 1905 SD ru (579) Сидония ru A905SD ru Сидония uk 579 Сідонія zh 小行星579
🔖 Identifiers · 3
Freebase ID
/m/08lxtc
JPL Small-Body Database SPK-ID
20000579
Minor Planet Center body ID
579

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Summary

579 Sidonia 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] ↑ . link.springer.com. link.springer.com. Provenance: 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. 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [17] ↑ . 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). 579 Sidonia. Retrieved November 11, 2026, from https://4ort.xyz/entity/579-sidonia
MLA “579 Sidonia.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Nov. 2026, https://4ort.xyz/entity/579-sidonia.
BibTeX @misc{4ortxyz_579-sidonia_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{579 Sidonia}}, year = {2026}, url = {https://4ort.xyz/entity/579-sidonia}, note = {Accessed: 2026-11-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 579 Sidonia — https://4ort.xyz/entity/579-sidonia (retrieved 2026-11-11)

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