Orcus

dwarf planet in kuiper belt
Thing plutino Q15603
Orcus
Hubble Space Telescope/Michael E. Brown · Public Domain · Wikimedia
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Orcus

Summary

Orcus is a plutino[1]. Orcus has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • Orcus is credited with the discovery of Michael E. Brown[3].
  • Orcus is credited with the discovery of Chadwick Trujillo[4].
  • Orcus is credited with the discovery of David L. Rabinowitz[5].
  • Orcus's instance of is recorded as plutino[6].
  • Orcus's instance of is recorded as dwarf planet[7].
  • Orcus is named after Orcus[8].
  • Orcus followed 90481 Wollstonecraft[9].
  • Orcus was followed by (90483) 2004 DM4[10].
  • Orcus's minor planet group is recorded as trans-Neptunian object[11].
  • Orcus's minor planet group is recorded as plutino[12].
  • Orcus's minor planet group is recorded as dwarf planet[13].
  • Orcus's Commons category is recorded as 90482 Orcus[14].
  • Orcus's parent astronomical body is recorded as Sun[15].
  • Orcus's child astronomical body is recorded as Vanth[16].
  • Orcus's Unicode character is recorded as 🝿[17].
  • Orcus's provisional designation is recorded as 2004 DW[18].
  • Orcus's time of discovery or invention is recorded as February 17, 2004[19].
  • Orcus's significant event is recorded as naming[20].
  • Orcus's topic's main category is recorded as Category:90482 Orcus[21].
  • Orcus's orbital eccentricity is recorded as {'amount': '+0.22618'}[22].
  • Orcus's apparent magnitude is recorded as {'amount': '+19.1'}[23].
  • Orcus's absolute magnitude is recorded as {'amount': '+2.2'}[24].
  • Orcus's absolute magnitude is recorded as {'amount': '+2.14'}[25].
  • Orcus's color index is recorded as {'amount': '+0.68'}[26].
  • Orcus's color index is recorded as {'amount': '+0.37'}[27].

Body

Definition and Type

Recorded instance of include plutino[6] and dwarf planet[7].

Origins

Orcus is named after Orcus[8].

Why It Matters

Orcus has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[2] Orcus is known by 20 alternative names across languages and contexts.[28]

References

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

Direct Wikidata claims

  1. [6] . www2.boulder.swri.edu. www2.boulder.swri.edu. Provenance: wikidata.org.
  2. [7] . Mutual Orbit Orientations of Transneptunian Binaries. wikidata.org.
  3. [3] . Minor Planet Center database. wikidata.org.
  4. [4] . Minor Planet Center database. wikidata.org.
  5. [5] . Minor Planet Center database. wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . Minor Planet Center database. wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . ssd.jpl.nasa.gov. ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] . boulder.swri.edu. boulder.swri.edu. Provenance: wikidata.org.
  11. [13] . Mutual Orbit Orientations of Transneptunian Binaries. wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . ssd.jpl.nasa.gov. ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . ssd.jpl.nasa.gov. ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [26] . The surface of the transneptunian object 90482 Orcus. wikidata.org.
  25. [27] . The surface of the transneptunian object 90482 Orcus. wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. wikidata.org.
  2. [28] . Wikidata aliases. 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). Orcus. Retrieved May 3, 2026, from https://4ort.xyz/entity/orcus
MLA “Orcus.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/orcus.
BibTeX @misc{4ortxyz_orcus_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Orcus}}, year = {2026}, url = {https://4ort.xyz/entity/orcus}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Orcus — https://4ort.xyz/entity/orcus (retrieved 2026-05-03)

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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. 18d ago · Paucabot · 2026-08-01 view diff on Wikidata ↗
    Periapsis {'unit': 'Q1811', 'amount': '+30.173511545766'}
    Discoverer or inventor Michael E. Brown, Chadwick Trujillo, David L. Rabinowitz
    Orbital inclination {'unit': 'Q28390', 'amount': '+20.573'}
    Diameter {'unit': 'Q828224', 'amount': '+917'}, {'unit': 'Q828224', 'amount': '+910'}
    + 32 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1|2 */ [[Property:P8512]]: Orcus, Earth & Moon size comparison.png"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.