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584 Semiramis

main-belt asteroid
Asteroid Q155681

Facts

27 properties

Identity

Instance of
asteroid
More facts +26
Follows
583 Klotilde[5]
Followed by
585 Bilkis[6]
Absolute magnitude
8.47[16]
Albedo
0.1987
Apoapsis
2.926973386741523 au
Argument of periapsis
85.40445863292565°
Asteroid spectral type
S-type asteroid[13]
Diameter
54.01 km
Discoverer or inventor
August Kopff[2]
Epoch
November 21, 2025
Longitude of ascending node
281.9887763098554°[21]
Mean anomaly
2.439526797085598°
Minor planet group
asteroid belt[7]
Named after
Semiramis[4]
Orbital eccentricity
0.2330465665008994[15]
Orbital inclination
10.716°, 10.71984376164318°[17][18]
Orbital period
1,335.849001124177 day[19]
Parent astronomical body
Sun[8]
Periapsis
1.82057381262759 au
Provisional designation
A906 AC, 1948 TW, A913 AB[9][10][11]
Rotation period
5.068 h[20]
Semi-major axis of an orbit
2.373773599684557 au
Significant event
naming[14]
Site of astronomical discovery
Heidelberg-Königstuhl State Observatory[3]
Time of discovery or invention
January 15, 1906[12]
Time of periapsis
2,460,991.4476682357 Julian day
🏷️ Also known as
en 584 Semiramis en (584) Semiramis en Semiramis de 584 Sémiramis el 584 Σεμίραμις fa سیارک ۵۸۴ fr (584) Sémiramis fr 584 Sémiramis fr Sémiramis ja セミラミス pt 584 Sémiramis ru 1906 SY ru 1948 TW ru (584) 1906 SY ru (584) Semiramis ru (584) Семирамида ru A906SY ru A913 AB ru Semiramis ru Семирамида
🔖 Identifiers · 5
Image (Wikimedia Commons)
584Semiramis (Lightcurve Inversion).png ↗
DAMIT asteroid ID
179
Freebase ID
/m/08lxwm
JPL Small-Body Database SPK-ID
20000584
Minor Planet Center body ID
584

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Asteroid spectral type 1
S-type asteroid
Discoverer or inventor 1
August Kopff
Epoch 1
November 21, 2025
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Named after 1
Semiramis
Parent astronomical body 1
Sun
Site of astronomical discovery 1
Heidelberg-Königstuhl State Observatory
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Summary

584 Semiramis is an asteroid[1].

Related Entities

August Kopff

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] ↑ . 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.

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). 584 Semiramis. Retrieved November 15, 2026, from https://4ort.xyz/entity/584-semiramis
MLA “584 Semiramis.” 4ort.xyz Knowledge Graph, 4ort.xyz, 15 Nov. 2026, https://4ort.xyz/entity/584-semiramis.
BibTeX @misc{4ortxyz_584-semiramis_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{584 Semiramis}}, year = {2026}, url = {https://4ort.xyz/entity/584-semiramis}, note = {Accessed: 2026-11-15}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 584 Semiramis — https://4ort.xyz/entity/584-semiramis (retrieved 2026-11-15)

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