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(71229) 1999 YD17

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Place asteroid Q15185745
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(71229) 1999 YD17

Summary

(71229) 1999 YD17 is an asteroid[1].

Key Facts

  • (71229) 1999 YD17 is credited with the discovery of Spacewatch[2].
  • (71229) 1999 YD17's instance of is recorded as asteroid[3].
  • (71229) 1999 YD17's site of astronomical discovery is recorded as Kitt Peak National Observatory[4].
  • (71229) 1999 YD17 followed (71228) 1999 YP15[5].
  • (71229) 1999 YD17 was followed by (71230) 1999 YR17[6].
  • (71229) 1999 YD17's minor planet group is recorded as asteroid belt[7].
  • (71229) 1999 YD17's minor planet group is recorded as outer asteroid belt[8].
  • (71229) 1999 YD17's parent astronomical body is recorded as Sun[9].
  • (71229) 1999 YD17's provisional designation is recorded as 1999 YD17[10].
  • (71229) 1999 YD17's provisional designation is recorded as 1991 PG4[11].
  • (71229) 1999 YD17's time of discovery or invention is recorded as December 31, 1999[12].
  • (71229) 1999 YD17's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1658215749766586'}[13].
  • (71229) 1999 YD17's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.4'}[14].
  • (71229) 1999 YD17's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+5.427972627253895'}[15].
  • (71229) 1999 YD17's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+2092.942507673017'}[16].
  • (71229) 1999 YD17's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+136.771467515142'}[17].
  • (71229) 1999 YD17's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.202132126430109'}[18].
  • (71229) 1999 YD17's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.733114718918106'}[19].
  • (71229) 1999 YD17's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.671149533942112'}[20].
  • (71229) 1999 YD17's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+171.6550370752921'}[21].
  • (71229) 1999 YD17's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+297.3107484944665'}[22].
  • (71229) 1999 YD17's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+5.514'}[23].
  • (71229) 1999 YD17's albedo is recorded as {'unit': '1', 'amount': '+0.121'}[24].
  • (71229) 1999 YD17's epoch is recorded as October 17, 2024[25].
  • (71229) 1999 YD17's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460964.9583312506'}[26].

Body

Designation and Status

(71229) 1999 YD17'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. wikidata.org.
  7. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [9] ↑ . 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.
  25. [26] ↑ . 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). (71229) 1999 YD17. Retrieved May 3, 2026, from https://4ort.xyz/entity/-71229-1999-yd17
MLA “(71229) 1999 YD17.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-71229-1999-yd17.
BibTeX @misc{4ortxyz_-71229-1999-yd17_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(71229) 1999 YD17}}, year = {2026}, url = {https://4ort.xyz/entity/-71229-1999-yd17}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (71229) 1999 YD17 — https://4ort.xyz/entity/-71229-1999-yd17 (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. 29d ago · LiMrBot bot · 2026-05-17 view diff on Wikidata ↗
    Diameter → {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount':
    Parent astronomical body → Sun
    Site of astronomical discovery → Kitt Peak National Observatory
    Imported from → —
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1457]]: 14.4"
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