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(7540) 1997 AK21

main-belt minor planet
Place asteroid Q710831
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(7540) 1997 AK21

Summary

(7540) 1997 AK21 is an asteroid[1]. (7540) 1997 AK21 has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • (7540) 1997 AK21 is credited with the discovery of Seiji Ueda[3].
  • (7540) 1997 AK21 is credited with the discovery of Hiroshi Kaneda[4].
  • (7540) 1997 AK21's instance of is recorded as asteroid[5].
  • (7540) 1997 AK21's site of astronomical discovery is recorded as Kushiro[6].
  • (7540) 1997 AK21's follows is recorded as (7539) 1996 XS32[7].
  • (7540) 1997 AK21's followed by is recorded as 7541 Nieuwenhuis[8].
  • (7540) 1997 AK21's minor planet group is recorded as asteroid belt[9].
  • (7540) 1997 AK21's parent astronomical body is recorded as Sun[10].
  • (7540) 1997 AK21's provisional designation is recorded as 1997 AK21[11].
  • (7540) 1997 AK21's provisional designation is recorded as 1970 CO[12].
  • (7540) 1997 AK21's provisional designation is recorded as 1976 UL2[13].
  • (7540) 1997 AK21's provisional designation is recorded as 1979 OW11[14].
  • (7540) 1997 AK21's provisional designation is recorded as 1986 HE[15].
  • (7540) 1997 AK21's provisional designation is recorded as 1987 QX12[16].
  • (7540) 1997 AK21's provisional designation is recorded as 1992 WA9[17].
  • (7540) 1997 AK21's time of discovery or invention is recorded as +1997-01-09T00:00:00Z[18].
  • (7540) 1997 AK21's Freebase ID is recorded as /m/0g4_q5h[19].
  • (7540) 1997 AK21's JPL Small-Body Database SPK-ID is recorded as 20007540[20].
  • (7540) 1997 AK21's orbital eccentricity is recorded as {'amount': '+0.08'}[21].
  • (7540) 1997 AK21's orbital eccentricity is recorded as {'amount': '+0.0780315'}[22].
  • (7540) 1997 AK21's orbital eccentricity is recorded as {'amount': '+0.076727615679565'}[23].
  • (7540) 1997 AK21's absolute magnitude is recorded as {'amount': '+13.3'}[24].
  • (7540) 1997 AK21's absolute magnitude is recorded as {'amount': '+13.41'}[25].
  • (7540) 1997 AK21's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+5.26956'}[26].
  • (7540) 1997 AK21's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+5.277885724343689'}[27].

Body

Designation and Status

(7540) 1997 AK21's instance of is recorded as asteroid[5].

Why It Matters

(7540) 1997 AK21 has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[2] (7540) 1997 AK21 is known by 7 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] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [13] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [15] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [16] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [17] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [19] ↑ . Freebase Data Dumps. wikidata.org.
  18. [20] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  19. [21] ↑ . 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.
  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). (7540) 1997 AK21. Retrieved May 3, 2026, from https://4ort.xyz/entity/7540-1997-ak21
MLA “(7540) 1997 AK21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/7540-1997-ak21.
BibTeX @misc{4ortxyz_7540-1997-ak21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(7540) 1997 AK21}}, year = {2026}, url = {https://4ort.xyz/entity/7540-1997-ak21}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (7540) 1997 AK21 — https://4ort.xyz/entity/7540-1997-ak21 (retrieved 2026-05-03)

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