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580 Selene

outer main-belt asteroid
Thing Asteroid Q155663

Facts

26 properties
Instance of
asteroid
Follows
579 Sidonia[5]
Followed by
581 Tauntonia[6]
Absolute magnitude
+10.39[15]
Albedo
+0.082
Apoapsis
+3.512678640468076[22]
Argument of periapsis
+339.3220689319764[24]
Diameter
+48.204
Discoverer or inventor
Max Wolf[2]
Epoch
November 21, 2025
Longitude of ascending node
+98.89253581923838[20]
Mean anomaly
+257.6192737510742
Minor planet group
asteroid belt, outer asteroid belt[7][8]
Named after
Selene[4]
Orbital eccentricity
+0.0879622848610157[14]
Orbital inclination
+3.651, +3.671079621205674[16][17]
Orbital period
+2119.021172718187[18]
Parent astronomical body
Sun[9]
Periapsis
+2.944675055238042[23]
Provisional designation
A905 YB, 1950 RQ1[10][11]
Rotation period
+9.494[19]
Semi-major axis of an orbit
+3.228676847853059[21]
Significant event
naming[13]
Site of astronomical discovery
Heidelberg-Königstuhl State Observatory[3]
Show all 26 facts +2
Time of discovery or invention
December 17, 1905[12]
Time of periapsis
+2461603.130351666
🏷️ Also known as
en (580) Selene en Selene de 580 Séléné el 580 Σελήνη fa سیارک ۵۸۰ fr (580) Séléné fr Séléné ja セレーネ ru 1905 SE ru 1950 RQ1 ru (580) 1905 SE ru (580) Селена ru A905SE ru Селена uk 580 Селена zh 月女星
🔖 Identifiers · 3
Freebase ID
/m/08lxtr
JPL Small-Body Database SPK-ID
20000580
Minor Planet Center body ID
580

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Summary

580 Selene is an asteroid[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . 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). 580 Selene. Retrieved November 11, 2026, from https://4ort.xyz/entity/580-selene
MLA “580 Selene.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Nov. 2026, https://4ort.xyz/entity/580-selene.
BibTeX @misc{4ortxyz_580-selene_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{580 Selene}}, year = {2026}, url = {https://4ort.xyz/entity/580-selene}, note = {Accessed: 2026-11-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 580 Selene — https://4ort.xyz/entity/580-selene (retrieved 2026-11-11)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 6w ago · ~2026-51439-50 · 2026-09-26 view diff on Wikidata ↗
    Absolute magnitude → 10.39
    Epoch → November 21, 2025
    Followed by → 581 Tauntonia
    Orbital eccentricity → 0.087962
    + 28 other properties edited (see Wikidata diff for full list)
    "Created claim: Commons category: 580 Selene"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.