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(75554) 1999 YD12

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(75554) 1999 YD12

Summary

(75554) 1999 YD12 is an asteroid[1].

Key Facts

  • (75554) 1999 YD12 is credited with the discovery of Spacewatch[2].
  • (75554) 1999 YD12's instance of is recorded as asteroid[3].
  • (75554) 1999 YD12's site of astronomical discovery is recorded as Kitt Peak National Observatory[4].
  • (75554) 1999 YD12 followed (75553) 1999 YQ6[5].
  • (75554) 1999 YD12 was followed by 75555 Wonaszek[6].
  • (75554) 1999 YD12's minor planet group is recorded as asteroid belt[7].
  • (75554) 1999 YD12's parent astronomical body is recorded as Sun[8].
  • (75554) 1999 YD12's provisional designation is recorded as 1999 YD12[9].
  • (75554) 1999 YD12's time of discovery or invention is recorded as December 27, 1999[10].
  • (75554) 1999 YD12's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1390102251460209'}[11].
  • (75554) 1999 YD12's absolute magnitude is recorded as {'unit': '1', 'amount': '+16.3'}[12].
  • (75554) 1999 YD12's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.26446588612583'}[13].
  • (75554) 1999 YD12's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1469.667313993628'}[14].
  • (75554) 1999 YD12's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+103.5641113072634'}[15].
  • (75554) 1999 YD12's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.529766316372397'}[16].
  • (75554) 1999 YD12's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.881429701578144'}[17].
  • (75554) 1999 YD12's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.17810293116665'}[18].
  • (75554) 1999 YD12's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+293.7583310404901'}[19].
  • (75554) 1999 YD12's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+94.55411254804959'}[20].
  • (75554) 1999 YD12's epoch is recorded as October 17, 2024[21].
  • (75554) 1999 YD12's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460214.4914205126'}[22].

Body

Designation and Status

(75554) 1999 YD12'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.

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). (75554) 1999 YD12. Retrieved May 3, 2026, from https://4ort.xyz/entity/-75554-1999-yd12
MLA “(75554) 1999 YD12.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-75554-1999-yd12.
BibTeX @misc{4ortxyz_-75554-1999-yd12_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(75554) 1999 YD12}}, year = {2026}, url = {https://4ort.xyz/entity/-75554-1999-yd12}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (75554) 1999 YD12 — https://4ort.xyz/entity/-75554-1999-yd12 (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. 4d ago · LiMrBot bot · 2026-06-03 view diff on Wikidata ↗
    Longitude of ascending node → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    Time of periapsis → {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount':
    Parent astronomical body → Sun
    Epoch → October 17, 2024
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1096]]: 0.1390102251460209±0.000000021902"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.