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(74538) 1999 JS12

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(74538) 1999 JS12

Summary

(74538) 1999 JS12 is an asteroid[1].

Key Facts

  • (74538) 1999 JS12 is credited with the discovery of Catalina Sky Survey[2].
  • (74538) 1999 JS12's instance of is recorded as asteroid[3].
  • (74538) 1999 JS12's site of astronomical discovery is recorded as Catalina Station[4].
  • (74538) 1999 JS12 followed (74537) 1999 JQ11[5].
  • (74538) 1999 JS12 was followed by (74539) 1999 JD15[6].
  • (74538) 1999 JS12's minor planet group is recorded as asteroid belt[7].
  • (74538) 1999 JS12's parent astronomical body is recorded as Sun[8].
  • (74538) 1999 JS12's provisional designation is recorded as 2001 QO147[9].
  • (74538) 1999 JS12's provisional designation is recorded as 1999 JS12[10].
  • (74538) 1999 JS12's time of discovery or invention is recorded as May 14, 1999[11].
  • (74538) 1999 JS12's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.09211794574321588'}[12].
  • (74538) 1999 JS12's absolute magnitude is recorded as {'unit': '1', 'amount': '+13.06'}[13].
  • (74538) 1999 JS12's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+20.3739204343106'}[14].
  • (74538) 1999 JS12's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+2083.865557460579'}[15].
  • (74538) 1999 JS12's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+63.014881244836'}[16].
  • (74538) 1999 JS12's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.192867134318137'}[17].
  • (74538) 1999 JS12's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.486987495762553'}[18].
  • (74538) 1999 JS12's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.898746772873722'}[19].
  • (74538) 1999 JS12's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+273.4941850031872'}[20].
  • (74538) 1999 JS12's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+57.82802672231075'}[21].
  • (74538) 1999 JS12's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+10.065'}[22].
  • (74538) 1999 JS12's albedo is recorded as {'unit': '1', 'amount': '+0.11'}[23].
  • (74538) 1999 JS12's epoch is recorded as October 17, 2024[24].
  • (74538) 1999 JS12's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460265.761574604'}[25].

Body

Designation and Status

(74538) 1999 JS12's instance of is recorded as asteroid[3].

References

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

Direct Wikidata claims

  1. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [2] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . 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.
  22. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [25] ↑ . 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). (74538) 1999 JS12. Retrieved May 3, 2026, from https://4ort.xyz/entity/-74538-1999-js12
MLA “(74538) 1999 JS12.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-74538-1999-js12.
BibTeX @misc{4ortxyz_-74538-1999-js12_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(74538) 1999 JS12}}, year = {2026}, url = {https://4ort.xyz/entity/-74538-1999-js12}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (74538) 1999 JS12 — https://4ort.xyz/entity/-74538-1999-js12 (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. 24d ago · LiMrBot bot · 2026-05-27 view diff on Wikidata ↗
    Albedo → {'unit': '1', 'amount': '+0.11'}
    Discoverer or inventor → Catalina Sky Survey
    Apoapsis → {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '
    Orbital inclination → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    + 22 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1457]]: 13.06"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.