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(11642) 1997 AN21

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(11642) 1997 AN21

Summary

(11642) 1997 AN21 is an asteroid[1]. (11642) 1997 AN21 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • (11642) 1997 AN21 is credited with the discovery of Yoshisada Shimizu[3].
  • (11642) 1997 AN21 is credited with the discovery of Takeshi Urata[4].
  • (11642) 1997 AN21's instance of is recorded as asteroid[5].
  • (11642) 1997 AN21's site of astronomical discovery is recorded as Nachi-Katsuura Observatory[6].
  • (11642) 1997 AN21's follows is recorded as (11641) 1997 AP12[7].
  • (11642) 1997 AN21's followed by is recorded as (11643) 1997 AM22[8].
  • (11642) 1997 AN21's minor planet group is recorded as asteroid belt[9].
  • (11642) 1997 AN21's parent astronomical body is recorded as Sun[10].
  • (11642) 1997 AN21's provisional designation is recorded as 1993 CY[11].
  • (11642) 1997 AN21's provisional designation is recorded as 1997 AN21[12].
  • (11642) 1997 AN21's time of discovery or invention is recorded as +1997-01-13T00:00:00Z[13].
  • (11642) 1997 AN21's Freebase ID is recorded as /m/0h7l28b[14].
  • (11642) 1997 AN21's JPL Small-Body Database SPK-ID is recorded as 20011642[15].
  • (11642) 1997 AN21's orbital eccentricity is recorded as {'amount': '+0.13'}[16].
  • (11642) 1997 AN21's orbital eccentricity is recorded as {'amount': '+0.1319208'}[17].
  • (11642) 1997 AN21's orbital eccentricity is recorded as {'amount': '+0.1333733021399999'}[18].
  • (11642) 1997 AN21's absolute magnitude is recorded as {'amount': '+13.9'}[19].
  • (11642) 1997 AN21's absolute magnitude is recorded as {'amount': '+13.99'}[20].
  • (11642) 1997 AN21's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+13.17857'}[21].
  • (11642) 1997 AN21's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+13.20270921200706'}[22].
  • (11642) 1997 AN21's orbital period is recorded as {'unit': 'Q577', 'amount': '+4.12'}[23].
  • (11642) 1997 AN21's orbital period is recorded as {'unit': 'Q573', 'amount': '+1503.189425934691'}[24].
  • (11642) 1997 AN21's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+311.51987'}[25].
  • (11642) 1997 AN21's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+311.3311015340133'}[26].
  • (11642) 1997 AN21's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.5682360'}[27].

Body

Designation and Status

(11642) 1997 AN21's instance of is recorded as asteroid[5].

Why It Matters

(11642) 1997 AN21 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. [5] ↑ . 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. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [10] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  14. [16] ↑ . 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] ↑ . 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). (11642) 1997 AN21. Retrieved May 3, 2026, from https://4ort.xyz/entity/11642-1997-an21
MLA “(11642) 1997 AN21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/11642-1997-an21.
BibTeX @misc{4ortxyz_11642-1997-an21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(11642) 1997 AN21}}, year = {2026}, url = {https://4ort.xyz/entity/11642-1997-an21}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (11642) 1997 AN21 — https://4ort.xyz/entity/11642-1997-an21 (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 · Shuaib-bot bot · 2026-05-04 view diff on Wikidata ↗
    Follows → (11641) 1997 AP12
    Follows → —
    Instance of → —
    Orbital period → {'unit': 'Q577', 'amount': '+4.12'}, {'unit': 'Q573', 'amount': '+1503.189425934691'}
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.