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486958 Arrokoth

classical trans-Neptunian object
Place cubewano Q18325885
486958 Arrokoth
NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute/Roman Tkachenko. · Public Domain · Wikimedia
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Summary

486958 Arrokoth is a cubewano[1]. It ranks in the top 8% of cubewano entities by monthly Wikipedia readership (3,775 views/month).[2]

Key Facts

  • Discoverer or inventor: Marc Buie[3], New Horizons KBO Search[4]
  • Instance of: contact binary[5], trans-Neptunian object[6]
  • Site of astronomical discovery: Hubble Space Telescope[7]
  • Minor planet group: trans-Neptunian object[8], cubewano[9]
  • Commons category: 486958 Arrokoth[10]
  • Parent astronomical body: Sun[11]
  • Provisional designation: 2014 MU69[12]
  • Catalog code: 1110113Y[13], PT1[14]
  • Time of discovery or invention: June 26, 2014[15]
  • Significant event: discovery[16], naming[17], planetary flyby[18], perihelion[19]
  • Orbital eccentricity: 0.0523911611031908[20], 0.03724573377361805[21]
  • Apparent magnitude: 26.59[22], 25.24[23]
  • Official name: Arrokoth[24]
  • Absolute magnitude: 11.06[25]
  • Color index: 1.35[26], 1.42[27], 0.95[28]
  • Orbital inclination: 2.44444354133471[29], 2.448440635041421[30]
  • Orbital period: 296.9104134204093[31], 106946.6462228789[32]
  • Rotation period: 15.918[33]
  • Longitude of ascending node: 159.2017174713887[34], 159.0868968517942[35]
  • Semi-major axis of an orbit: 44.50527459549347[36], 44.09396591384365[37]
  • Apoapsis: 46.83695760676772[38], 45.73627802929366[39]
  • Periapsis: 42.17359158421923[40], 42.45165379839364[41]
  • Argument of periapsis: 186.7305892122483[42], 189.1596781960182[43]
  • Periapsis date (DEPRECATED): February 8, 2064[44]
  • Mean anomaly: 309.6786912491331[45], 309.4440558913697[46]

Why It Matters

486958 Arrokoth has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[47] It is known by 43 alternative names across languages and contexts.[48]

Related Entities

Hubble Space Telescope New Horizons KBO Search

References

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

Direct Wikidata claims

  1. [5] ↑ . wikidata.org.
  2. [6] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . 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] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.
  26. [28] ↑ . wikidata.org.
  27. [29] ↑ . wikidata.org.
  28. [30] ↑ . wikidata.org.
  29. [31] ↑ . wikidata.org.
  30. [32] ↑ . wikidata.org.
  31. [33] ↑ . wikidata.org.
  32. [34] ↑ . wikidata.org.
  33. [35] ↑ . wikidata.org.
  34. [36] ↑ . wikidata.org.
  35. [37] ↑ . wikidata.org.
  36. [38] ↑ . wikidata.org.
  37. [39] ↑ . wikidata.org.
  38. [40] ↑ . wikidata.org.
  39. [41] ↑ . wikidata.org.
  40. [42] ↑ . wikidata.org.
  41. [43] ↑ . wikidata.org.
  42. [44] ↑ . wikidata.org.
  43. [45] ↑ . wikidata.org.
  44. [46] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [47] ↑ . Wikidata sitelinks. wikidata.org.
  3. [48] ↑ . 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). 486958 Arrokoth. Retrieved October 14, 2026, from https://4ort.xyz/entity/486958-arrokoth
MLA “486958 Arrokoth.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/486958-arrokoth.
BibTeX @misc{4ortxyz_486958-arrokoth_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{486958 Arrokoth}}, year = {2026}, url = {https://4ort.xyz/entity/486958-arrokoth}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 486958 Arrokoth — https://4ort.xyz/entity/486958-arrokoth (retrieved 2026-10-14)

Canonical URL: https://4ort.xyz/entity/486958-arrokoth · Last refreshed:

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. 5w ago · Dinamik · 2026-09-11 view diff on Wikidata ↗
    Color index → {'amount': '+1.35'}, {'amount': '+1.42'}, {'amount': '+0.95'}
    Official name → Arrokoth, Arrokoth
    Parent astronomical body → Sun
    Significant event → discovery, naming, planetary flyby +2
    + 26 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ Commons category: 486958 Arrokoth"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.