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(27980) 1997 UA21

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(27980) 1997 UA21

Summary

(27980) 1997 UA21 is an asteroid[1]. (27980) 1997 UA21 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • (27980) 1997 UA21 is credited with the discovery of Beijing Schmidt CCD Asteroid Program[3].
  • (27980) 1997 UA21's instance of is recorded as asteroid[4].
  • (27980) 1997 UA21's site of astronomical discovery is recorded as Xinglong Station[5].
  • (27980) 1997 UA21 followed (27979) 1997 UH19[6].
  • (27980) 1997 UA21 was followed by (27981) 1997 UK21[7].
  • (27980) 1997 UA21's minor planet group is recorded as asteroid belt[8].
  • (27980) 1997 UA21's parent astronomical body is recorded as Sun[9].
  • (27980) 1997 UA21's provisional designation is recorded as 1996 HS13[10].
  • (27980) 1997 UA21's provisional designation is recorded as 1997 UA21[11].
  • (27980) 1997 UA21's time of discovery or invention is recorded as October 27, 1997[12].
  • (27980) 1997 UA21's orbital eccentricity is recorded as {'amount': '+0.09'}[13].
  • (27980) 1997 UA21's orbital eccentricity is recorded as {'amount': '+0.0864530'}[14].
  • (27980) 1997 UA21's orbital eccentricity is recorded as {'amount': '+0.08799217764790046'}[15].
  • (27980) 1997 UA21's absolute magnitude is recorded as {'amount': '+14.9'}[16].
  • (27980) 1997 UA21's absolute magnitude is recorded as {'amount': '+15.07'}[17].
  • (27980) 1997 UA21's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+9.59319'}[18].
  • (27980) 1997 UA21's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+9.602480932280143'}[19].
  • (27980) 1997 UA21's orbital period is recorded as {'unit': 'Q577', 'amount': '+4.13'}[20].
  • (27980) 1997 UA21's orbital period is recorded as {'unit': 'Q573', 'amount': '+1508.71391774511'}[21].
  • (27980) 1997 UA21's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+209.70139'}[22].
  • (27980) 1997 UA21's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+209.6357364331662'}[23].
  • (27980) 1997 UA21's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.5750481'}[24].
  • (27980) 1997 UA21's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.574377987031609'}[25].
  • (27980) 1997 UA21's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+2.798'}[26].
  • (27980) 1997 UA21's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+2.800903112199339'}[27].

Body

Designation and Status

(27980) 1997 UA21's instance of is recorded as asteroid[4].

Why It Matters

(27980) 1997 UA21 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

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] ↑ . wikidata.org.
  12. [14] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  13. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [16] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  15. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  17. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  19. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  21. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [24] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  23. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [26] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  25. [27] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata sitelinks. 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). (27980) 1997 UA21. Retrieved May 3, 2026, from https://4ort.xyz/entity/27980-1997-ua21
MLA “(27980) 1997 UA21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/27980-1997-ua21.
BibTeX @misc{4ortxyz_27980-1997-ua21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(27980) 1997 UA21}}, year = {2026}, url = {https://4ort.xyz/entity/27980-1997-ua21}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (27980) 1997 UA21 — https://4ort.xyz/entity/27980-1997-ua21 (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. 16d ago · KaleemBot bot · 2026-05-20 view diff on Wikidata ↗
    Apoapsis → {'unit': 'Q1811', 'amount': '+2.798'}, {'unit': 'Q1811', 'amount': '+2.800903112199339'}
    Time of periapsis → {'unit': 'Q14267', 'amount': '+2461063.6860181494'}
    Site of astronomical discovery → Xinglong Station
    Mean anomaly → {'unit': 'Q28390', 'amount': '+131.33310'}, {'unit': 'Q28390', 'amount': '+344.9229424702408'}
    + 20 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ Added [[wikipedia:ur:(27980) 1997 یو اے 21]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.