(15408) 1997 WU21

asteroid
Place asteroid Q13389830
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(15408) 1997 WU21

Summary

(15408) 1997 WU21 is an asteroid[1].

Key Facts

  • (15408) 1997 WU21 is credited with the discovery of Takao Kobayashi[2].
  • (15408) 1997 WU21's instance of is recorded as asteroid[3].
  • (15408) 1997 WU21's site of astronomical discovery is recorded as Ōizumi Observatory[4].
  • (15408) 1997 WU21's follows is recorded as 15407 Udakiyoo[5].
  • (15408) 1997 WU21's followed by is recorded as (15409) 1997 WQ31[6].
  • (15408) 1997 WU21's minor planet group is recorded as asteroid belt[7].
  • (15408) 1997 WU21's parent astronomical body is recorded as Sun[8].
  • (15408) 1997 WU21's provisional designation is recorded as 1986 WS7[9].
  • (15408) 1997 WU21's provisional designation is recorded as 1997 WU21[10].
  • (15408) 1997 WU21's time of discovery or invention is recorded as +1997-11-30T00:00:00Z[11].
  • (15408) 1997 WU21's JPL Small-Body Database SPK-ID is recorded as 20015408[12].
  • (15408) 1997 WU21's orbital eccentricity is recorded as {'amount': '+0.07'}[13].
  • (15408) 1997 WU21's orbital eccentricity is recorded as {'amount': '+0.0732760'}[14].
  • (15408) 1997 WU21's orbital eccentricity is recorded as {'amount': '+0.07835523383406638'}[15].
  • (15408) 1997 WU21's absolute magnitude is recorded as {'amount': '+12.9'}[16].
  • (15408) 1997 WU21's absolute magnitude is recorded as {'amount': '+13.04'}[17].
  • (15408) 1997 WU21's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+9.59839'}[18].
  • (15408) 1997 WU21's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+9.617343836370285'}[19].
  • (15408) 1997 WU21's orbital period is recorded as {'unit': 'Q577', 'amount': '+5.32'}[20].
  • (15408) 1997 WU21's orbital period is recorded as {'unit': 'Q573', 'amount': '+1937.994423010906'}[21].
  • (15408) 1997 WU21's rotation period is recorded as {'unit': 'Q25235', 'amount': '+30.414'}[22].
  • (15408) 1997 WU21's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+81.83974'}[23].
  • (15408) 1997 WU21's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+81.66301562631635'}[24].
  • (15408) 1997 WU21's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+3.0461947'}[25].
  • (15408) 1997 WU21's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+3.042071359960331'}[26].

Body

Designation and Status

(15408) 1997 WU21's instance of is recorded as asteroid[3].

References

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

Direct Wikidata claims

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

Class ancestry

  1. [1] . Wikidata. 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). (15408) 1997 WU21. Retrieved May 3, 2026, from https://4ort.xyz/entity/15408-1997-wu21
MLA “(15408) 1997 WU21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/15408-1997-wu21.
BibTeX @misc{4ortxyz_15408-1997-wu21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(15408) 1997 WU21}}, year = {2026}, url = {https://4ort.xyz/entity/15408-1997-wu21}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (15408) 1997 WU21 — https://4ort.xyz/entity/15408-1997-wu21 (retrieved 2026-05-03)

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