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(21872) 1999 UP3

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(21872) 1999 UP3

Summary

(21872) 1999 UP3 is an asteroid[1]. (21872) 1999 UP3 ranks in the top 2% of asteroid entities by monthly Wikipedia readership (2 views/month).[2]

Key Facts

  • (21872) 1999 UP3 is credited with the discovery of Beijing Schmidt CCD Asteroid Program[3].
  • (21872) 1999 UP3's instance of is recorded as asteroid[4].
  • (21872) 1999 UP3's site of astronomical discovery is recorded as Xinglong Station[5].
  • (21872) 1999 UP3 followed (21871) 1999 UK2[6].
  • (21872) 1999 UP3 was followed by 21873 Jindřichůvhradec[7].
  • (21872) 1999 UP3's minor planet group is recorded as asteroid belt[8].
  • (21872) 1999 UP3's parent astronomical body is recorded as Sun[9].
  • (21872) 1999 UP3's provisional designation is recorded as 1972 TN10[10].
  • (21872) 1999 UP3's provisional designation is recorded as 1990 VU11[11].
  • (21872) 1999 UP3's provisional designation is recorded as 1999 UP3[12].
  • (21872) 1999 UP3's time of discovery or invention is recorded as October 18, 1999[13].
  • (21872) 1999 UP3's orbital eccentricity is recorded as {'amount': '+0.14'}[14].
  • (21872) 1999 UP3's orbital eccentricity is recorded as {'amount': '+0.1436702'}[15].
  • (21872) 1999 UP3's orbital eccentricity is recorded as {'amount': '+0.1403733551090013'}[16].
  • (21872) 1999 UP3's absolute magnitude is recorded as {'amount': '+14.1'}[17].
  • (21872) 1999 UP3's absolute magnitude is recorded as {'amount': '+14.27'}[18].
  • (21872) 1999 UP3's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+4.81545'}[19].
  • (21872) 1999 UP3's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+4.806636511326461'}[20].
  • (21872) 1999 UP3's orbital period is recorded as {'unit': 'Q577', 'amount': '+4.46'}[21].
  • (21872) 1999 UP3's orbital period is recorded as {'unit': 'Q573', 'amount': '+1629.604645414327'}[22].
  • (21872) 1999 UP3's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+52.81774'}[23].
  • (21872) 1999 UP3's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+52.63288872554561'}[24].
  • (21872) 1999 UP3's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.7085589'}[25].
  • (21872) 1999 UP3's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.710124348808945'}[26].
  • (21872) 1999 UP3's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+3.098'}[27].

Body

Designation and Status

(21872) 1999 UP3's instance of is recorded as asteroid[4].

Why It Matters

(21872) 1999 UP3 ranks in the top 2% of asteroid entities by monthly Wikipedia readership (2 views/month).[2] (21872) 1999 UP3 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[28] (21872) 1999 UP3 is known by 3 alternative names across languages and contexts.[29]

References

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

Direct Wikidata claims

  1. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  14. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [17] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  16. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [19] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [21] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  20. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [23] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  22. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [25] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  24. [26] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [27] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] ↑ . Wikidata sitelinks. wikidata.org.
  3. [29] ↑ . Wikidata aliases. 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). (21872) 1999 UP3. Retrieved May 3, 2026, from https://4ort.xyz/entity/21872-1999-up3
MLA “(21872) 1999 UP3.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/21872-1999-up3.
BibTeX @misc{4ortxyz_21872-1999-up3_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(21872) 1999 UP3}}, year = {2026}, url = {https://4ort.xyz/entity/21872-1999-up3}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (21872) 1999 UP3 — https://4ort.xyz/entity/21872-1999-up3 (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. 4w ago · KaleemBot bot · 2026-05-12 view diff on Wikidata ↗
    Discoverer or inventor → Beijing Schmidt CCD Asteroid Program
    Orbital eccentricity → {'amount': '+0.14'}, {'amount': '+0.1436702'}, {'amount': '+0.1403733551090013'}
    Periapsis → {'unit': 'Q1811', 'amount': '+2.3194196'}, {'unit': 'Q1811', 'amount': '+2.329695101204036'}
    Albedo → {'amount': '+0.209'}
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ Added [[wikipedia:ur:(21872) 1999 یو پی 3]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.