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(29422) 1997 AH21

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(29422) 1997 AH21

Summary

(29422) 1997 AH21 is an asteroid[1]. (29422) 1997 AH21 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • (29422) 1997 AH21 is credited with the discovery of Seiji Ueda[3].
  • (29422) 1997 AH21 is credited with the discovery of Hiroshi Kaneda[4].
  • (29422) 1997 AH21's instance of is recorded as asteroid[5].
  • (29422) 1997 AH21's site of astronomical discovery is recorded as Kushiro[6].
  • (29422) 1997 AH21 followed (29421) 1997 AV18[7].
  • (29422) 1997 AH21 was followed by (29423) 1997 AF22[8].
  • (29422) 1997 AH21's minor planet group is recorded as asteroid belt[9].
  • (29422) 1997 AH21's parent astronomical body is recorded as Sun[10].
  • (29422) 1997 AH21's provisional designation is recorded as 1997 AH21[11].
  • (29422) 1997 AH21's provisional designation is recorded as 1998 GK9[12].
  • (29422) 1997 AH21's time of discovery or invention is recorded as January 9, 1997[13].
  • (29422) 1997 AH21's orbital eccentricity is recorded as {'amount': '+0.20'}[14].
  • (29422) 1997 AH21's orbital eccentricity is recorded as {'amount': '+0.2040210'}[15].
  • (29422) 1997 AH21's orbital eccentricity is recorded as {'amount': '+0.2022285506079768'}[16].
  • (29422) 1997 AH21's absolute magnitude is recorded as {'amount': '+12.5'}[17].
  • (29422) 1997 AH21's absolute magnitude is recorded as {'amount': '+12.6'}[18].
  • (29422) 1997 AH21's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+18.55002'}[19].
  • (29422) 1997 AH21's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+18.53965512506796'}[20].
  • (29422) 1997 AH21's orbital period is recorded as {'unit': 'Q577', 'amount': '+5.5'}[21].
  • (29422) 1997 AH21's orbital period is recorded as {'unit': 'Q573', 'amount': '+2011.777577336869'}[22].
  • (29422) 1997 AH21's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+115.88566'}[23].
  • (29422) 1997 AH21's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+115.7695091003556'}[24].
  • (29422) 1997 AH21's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+3.1165188'}[25].
  • (29422) 1997 AH21's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+3.118801187935269'}[26].
  • (29422) 1997 AH21's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+3.752'}[27].

Body

Designation and Status

(29422) 1997 AH21's instance of is recorded as asteroid[5].

Why It Matters

(29422) 1997 AH21 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2] (29422) 1997 AH21 is known by 3 alternative names across languages and contexts.[28]

Related Entities

Hiroshi Kaneda

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] ↑ . 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] ↑ . Wikidata sitelinks. wikidata.org.
  2. [28] ↑ . 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). (29422) 1997 AH21. Retrieved May 3, 2026, from https://4ort.xyz/entity/29422-1997-ah21
MLA “(29422) 1997 AH21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/29422-1997-ah21.
BibTeX @misc{4ortxyz_29422-1997-ah21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(29422) 1997 AH21}}, year = {2026}, url = {https://4ort.xyz/entity/29422-1997-ah21}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (29422) 1997 AH21 — https://4ort.xyz/entity/29422-1997-ah21 (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. 27d ago · KaleemBot bot · 2026-05-12 view diff on Wikidata ↗
    Followed by → —
    Site of astronomical discovery → Kushiro
    Absolute magnitude → {'amount': '+12.5'}, {'amount': '+12.6'}
    Argument of periapsis → {'unit': 'Q28390', 'amount': '+320.43326'}, {'unit': 'Q28390', 'amount': '+319.7410135078319'}
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ Added [[wikipedia:ur:(29422) 1997 اے ایچ 21]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.