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(455171) 1999 OM4

Trans-Neptunian object
Place cubewano Q15040402
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(455171) 1999 OM4

Summary

(455171) 1999 OM4 is a cubewano[1].

Key Facts

  • (455171) 1999 OM4 is credited with the discovery of Mauna Kea Observatories[2].
  • (455171) 1999 OM4's instance of is recorded as cubewano[3].
  • (455171) 1999 OM4's instance of is recorded as asteroid[4].
  • (455171) 1999 OM4's instance of is recorded as trans-Neptunian object[5].
  • (455171) 1999 OM4's site of astronomical discovery is recorded as Mauna Kea Observatories[6].
  • (455171) 1999 OM4's minor planet group is recorded as trans-Neptunian object[7].
  • (455171) 1999 OM4's parent astronomical body is recorded as Sun[8].
  • (455171) 1999 OM4's provisional designation is recorded as 1999 OM4[9].
  • (455171) 1999 OM4's time of discovery or invention is recorded as July 19, 1999[10].
  • (455171) 1999 OM4's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1172823535181422'}[11].
  • (455171) 1999 OM4's absolute magnitude is recorded as {'unit': '1', 'amount': '+6.95'}[12].
  • (455171) 1999 OM4's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.088599745926355'}[13].
  • (455171) 1999 OM4's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+113818.1811260811'}[14].
  • (455171) 1999 OM4's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+113.8435823916087'}[15].
  • (455171) 1999 OM4's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+45.96304679701788'}[16].
  • (455171) 1999 OM4's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+51.35370110023665'}[17].
  • (455171) 1999 OM4's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+40.57239249379911'}[18].
  • (455171) 1999 OM4's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+132.3953456323667'}[19].
  • (455171) 1999 OM4's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+88.0351893398668'}[20].
  • (455171) 1999 OM4's epoch is recorded as November 21, 2025[21].
  • (455171) 1999 OM4's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2433167.1524284617'}[22].

Body

Designation and Status

Recorded instance of include cubewano[3], asteroid[4], and trans-Neptunian object[5].

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [2] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  5. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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.
  21. [22] ↑ . 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). (455171) 1999 OM4. Retrieved May 3, 2026, from https://4ort.xyz/entity/-455171-1999-om4
MLA “(455171) 1999 OM4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-455171-1999-om4.
BibTeX @misc{4ortxyz_-455171-1999-om4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(455171) 1999 OM4}}, year = {2026}, url = {https://4ort.xyz/entity/-455171-1999-om4}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (455171) 1999 OM4 — https://4ort.xyz/entity/-455171-1999-om4 (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. 18w ago · Peter James · 2026-05-15 view diff on Wikidata ↗
    Semi-major axis of an orbit → {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '
    Mean anomaly → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    Parent astronomical body → Sun
    Imported from → —
    + 20 other properties edited (see Wikidata diff for full list)
    "/* wbmergeitems-from:0||Q139781932 */ #quickstatements; #temporary_batch_1778887664546"
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