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(45251) 1999 YN

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(45251) 1999 YN

Summary

(45251) 1999 YN is an asteroid[1].

Key Facts

  • (45251) 1999 YN is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (45251) 1999 YN's instance of is recorded as asteroid[3].
  • (45251) 1999 YN's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (45251) 1999 YN's follows is recorded as (45250) 1999 YJ[5].
  • (45251) 1999 YN's followed by is recorded as (45252) 1999 YY1[6].
  • (45251) 1999 YN's minor planet group is recorded as Mars-crossing asteroid[7].
  • (45251) 1999 YN's parent astronomical body is recorded as Sun[8].
  • (45251) 1999 YN's provisional designation is recorded as 1999 YN[9].
  • (45251) 1999 YN's time of discovery or invention is recorded as +1999-12-16T00:00:00Z[10].
  • (45251) 1999 YN's JPL Small-Body Database SPK-ID is recorded as 20045251[11].
  • (45251) 1999 YN's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.3168946216100113'}[12].
  • (45251) 1999 YN's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.5'}[13].
  • (45251) 1999 YN's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+22.90694439071078'}[14].
  • (45251) 1999 YN's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1303.072160896648'}[15].
  • (45251) 1999 YN's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+121.3575160518919'}[16].
  • (45251) 1999 YN's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.334783917342413'}[17].
  • (45251) 1999 YN's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.074664383369777'}[18].
  • (45251) 1999 YN's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.594903451315049'}[19].
  • (45251) 1999 YN's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+293.93094705062'}[20].
  • (45251) 1999 YN's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+111.6506851261341'}[21].
  • (45251) 1999 YN's Wolfram Language entity code is recorded as Entity["MinorPlanet", "MinorPlanet45251Provisional1999YN"][22].
  • (45251) 1999 YN's Minor Planet Center body ID is recorded as 45251[23].
  • (45251) 1999 YN's epoch is recorded as November 21, 2025[24].
  • (45251) 1999 YN's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460596.364167964'}[25].

Body

Designation and Status

(45251) 1999 YN'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 . 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] ↑ . wikidata.org.
  22. [23] ↑ . 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). (45251) 1999 YN. Retrieved May 3, 2026, from https://4ort.xyz/entity/-45251-1999-yn
MLA “(45251) 1999 YN.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-45251-1999-yn.
BibTeX @misc{4ortxyz_-45251-1999-yn_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(45251) 1999 YN}}, year = {2026}, url = {https://4ort.xyz/entity/-45251-1999-yn}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (45251) 1999 YN — https://4ort.xyz/entity/-45251-1999-yn (retrieved 2026-05-03)

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