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(612095) 1999 OJ4

Trans-Neptunian object
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(612095) 1999 OJ4

Summary

(612095) 1999 OJ4 is a trans-Neptunian object[1]. (612095) 1999 OJ4 draws 9 Wikipedia views per month (trans_neptunian_object category, ranking #21 of 55).[2]

Key Facts

  • (612095) 1999 OJ4 is credited with the discovery of Mauna Kea Observatories[3].
  • (612095) 1999 OJ4's instance of is recorded as trans-Neptunian object[4].
  • (612095) 1999 OJ4's instance of is recorded as asteroid[5].
  • (612095) 1999 OJ4's instance of is recorded as minor planet[6].
  • (612095) 1999 OJ4's site of astronomical discovery is recorded as Mauna Kea Observatories[7].
  • (612095) 1999 OJ4's minor planet group is recorded as cubewano[8].
  • (612095) 1999 OJ4's minor planet group is recorded as trans-Neptunian object[9].
  • (612095) 1999 OJ4's parent astronomical body is recorded as Sun[10].
  • (612095) 1999 OJ4's child astronomical body is recorded as S/2002 (1999 OJ4) 1[11].
  • (612095) 1999 OJ4's provisional designation is recorded as 1999 OJ4[12].
  • (612095) 1999 OJ4's time of discovery or invention is recorded as July 18, 1999[13].
  • (612095) 1999 OJ4's orbital eccentricity is recorded as {'amount': '+0.0258'}[14].
  • (612095) 1999 OJ4's orbital eccentricity is recorded as {'amount': '+0.02855416366854802'}[15].
  • (612095) 1999 OJ4's absolute magnitude is recorded as {'amount': '+7.1'}[16].
  • (612095) 1999 OJ4's absolute magnitude is recorded as {'amount': '+7.05'}[17].
  • (612095) 1999 OJ4's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+4.00407256'}[18].
  • (612095) 1999 OJ4's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+4.000905052006638'}[19].
  • (612095) 1999 OJ4's radius is recorded as {'unit': 'Q828224', 'amount': '+37.5'}[20].
  • (612095) 1999 OJ4's orbital period is recorded as {'unit': 'Q573', 'amount': '+85798.63895909268'}[21].
  • (612095) 1999 OJ4's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+127.54'}[22].
  • (612095) 1999 OJ4's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+127.5334333356618'}[23].
  • (612095) 1999 OJ4's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+38.07044744613813'}[24].
  • (612095) 1999 OJ4's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+39.15751723345002'}[25].
  • (612095) 1999 OJ4's periapsis is recorded as {'unit': 'Q1811', 'amount': '+36.98337765882625'}[26].
  • (612095) 1999 OJ4's argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '+299.9'}[27].

Body

Definition and Type

Recorded instance of include trans-Neptunian object[4], asteroid[5], and minor planet[6].

Why It Matters

(612095) 1999 OJ4 draws 9 Wikipedia views per month (trans_neptunian_object category, ranking #21 of 55).[2] (612095) 1999 OJ4 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[28]

Related Entities

Mauna Kea Observatories

References

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

Direct Wikidata claims

  1. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [6] ↑ . wikidata.org.
  4. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  5. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [26] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [27] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] ↑ . Wikidata sitelinks. 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). (612095) 1999 OJ4. Retrieved May 3, 2026, from https://4ort.xyz/entity/612095-1999-oj4
MLA “(612095) 1999 OJ4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/612095-1999-oj4.
BibTeX @misc{4ortxyz_612095-1999-oj4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(612095) 1999 OJ4}}, year = {2026}, url = {https://4ort.xyz/entity/612095-1999-oj4}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (612095) 1999 OJ4 — https://4ort.xyz/entity/612095-1999-oj4 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/612095-1999-oj4 · 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. 9w ago · KaleemBot bot · 2026-05-12 view diff on Wikidata ↗
    Child astronomical body → S/2002 (1999 OJ4) 1
    Aliases → —
    Orbital eccentricity → {'amount': '+0.0258'}, {'amount': '+0.02855416366854802'}
    Parent astronomical body → Sun
    + 17 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ Added [[wikipedia:ur:(612095) 1999 او جے 4]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.