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(200228) 1999 UY20

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(200228) 1999 UY20

Summary

(200228) 1999 UY20 is an asteroid[1].

Key Facts

  • (200228) 1999 UY20 is credited with the discovery of Spacewatch[2].
  • (200228) 1999 UY20's instance of is recorded as asteroid[3].
  • (200228) 1999 UY20's site of astronomical discovery is recorded as Kitt Peak National Observatory[4].
  • (200228) 1999 UY20's follows is recorded as (200227) 1999 UU20[5].
  • (200228) 1999 UY20's followed by is recorded as (200229) 1999 UU28[6].
  • (200228) 1999 UY20's minor planet group is recorded as asteroid belt[7].
  • (200228) 1999 UY20's parent astronomical body is recorded as Sun[8].
  • (200228) 1999 UY20's provisional designation is recorded as 1999 UY20[9].
  • (200228) 1999 UY20's provisional designation is recorded as 1995 YG18[10].
  • (200228) 1999 UY20's time of discovery or invention is recorded as +1999-10-31T00:00:00Z[11].
  • (200228) 1999 UY20's JPL Small-Body Database SPK-ID is recorded as 20200228[12].
  • (200228) 1999 UY20's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1508801937938593'}[13].
  • (200228) 1999 UY20's absolute magnitude is recorded as {'unit': '1', 'amount': '+16.62'}[14].
  • (200228) 1999 UY20's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.946645896262327'}[15].
  • (200228) 1999 UY20's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1569.894249221968'}[16].
  • (200228) 1999 UY20's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+159.6658944924071'}[17].
  • (200228) 1999 UY20's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.643512172124459'}[18].
  • (200228) 1999 UY20's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.042365800951023'}[19].
  • (200228) 1999 UY20's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.244658543297894'}[20].
  • (200228) 1999 UY20's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+269.4627702324408'}[21].
  • (200228) 1999 UY20's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+346.2658697071845'}[22].
  • (200228) 1999 UY20's Google Knowledge Graph ID is recorded as /g/11g6nzstq7[23].
  • (200228) 1999 UY20's Minor Planet Center body ID is recorded as 200228[24].
  • (200228) 1999 UY20's epoch is recorded as November 21, 2025[25].
  • (200228) 1999 UY20's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2461060.392033791'}[26].

Body

Designation and Status

(200228) 1999 UY20'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 . 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] ↑ . wikidata.org.
  23. [24] ↑ . 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). (200228) 1999 UY20. Retrieved May 3, 2026, from https://4ort.xyz/entity/-200228-1999-uy20
MLA “(200228) 1999 UY20.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-200228-1999-uy20.
BibTeX @misc{4ortxyz_-200228-1999-uy20_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(200228) 1999 UY20}}, year = {2026}, url = {https://4ort.xyz/entity/-200228-1999-uy20}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (200228) 1999 UY20 — https://4ort.xyz/entity/-200228-1999-uy20 (retrieved 2026-05-03)

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