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(27721) 1989 WJ

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Place asteroid Q4542667
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(27721) 1989 WJ

Summary

(27721) 1989 WJ is an asteroid[1]. (27721) 1989 WJ ranks in the top 2% of asteroid entities by monthly Wikipedia readership (1 views/month).[2]

Key Facts

  • (27721) 1989 WJ is credited with the discovery of Yoshiaki Oshima[3].
  • (27721) 1989 WJ's instance of is recorded as asteroid[4].
  • (27721) 1989 WJ's site of astronomical discovery is recorded as Gekko Observatory[5].
  • (27721) 1989 WJ followed (27720) 1989 UP3[6].
  • (27721) 1989 WJ was followed by (27722) 1990 OB2[7].
  • (27721) 1989 WJ's minor planet group is recorded as asteroid belt[8].
  • (27721) 1989 WJ's parent astronomical body is recorded as Sun[9].
  • (27721) 1989 WJ's provisional designation is recorded as 1989 WJ[10].
  • (27721) 1989 WJ's provisional designation is recorded as 1999 CP127[11].
  • (27721) 1989 WJ's time of discovery or invention is recorded as November 20, 1989[12].
  • (27721) 1989 WJ's orbital eccentricity is recorded as {'amount': '+0.13'}[13].
  • (27721) 1989 WJ's orbital eccentricity is recorded as {'amount': '+0.1334741'}[14].
  • (27721) 1989 WJ's orbital eccentricity is recorded as {'amount': '+0.1316795242573188'}[15].
  • (27721) 1989 WJ's absolute magnitude is recorded as {'amount': '+14.1'}[16].
  • (27721) 1989 WJ's absolute magnitude is recorded as {'amount': '+14.22'}[17].
  • (27721) 1989 WJ's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+15.05735'}[18].
  • (27721) 1989 WJ's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+15.05972154041153'}[19].
  • (27721) 1989 WJ's orbital period is recorded as {'unit': 'Q577', 'amount': '+4.19'}[20].
  • (27721) 1989 WJ's orbital period is recorded as {'unit': 'Q573', 'amount': '+1532.96789526087'}[21].
  • (27721) 1989 WJ's rotation period is recorded as {'unit': 'Q25235', 'amount': '+31.902'}[22].
  • (27721) 1989 WJ's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+66.79694'}[23].
  • (27721) 1989 WJ's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+66.70236395483077'}[24].
  • (27721) 1989 WJ's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.6009013'}[25].
  • (27721) 1989 WJ's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.601894931709779'}[26].
  • (27721) 1989 WJ's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+2.948'}[27].

Body

Designation and Status

(27721) 1989 WJ's instance of is recorded as asteroid[4].

Why It Matters

(27721) 1989 WJ ranks in the top 2% of asteroid entities by monthly Wikipedia readership (1 views/month).[2] (27721) 1989 WJ has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[28]

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] ↑ . 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] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] ↑ . 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). (27721) 1989 WJ. Retrieved May 3, 2026, from https://4ort.xyz/entity/27721-1989-wj
MLA “(27721) 1989 WJ.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/27721-1989-wj.
BibTeX @misc{4ortxyz_27721-1989-wj_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(27721) 1989 WJ}}, year = {2026}, url = {https://4ort.xyz/entity/27721-1989-wj}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (27721) 1989 WJ — https://4ort.xyz/entity/27721-1989-wj (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/27721-1989-wj · Last refreshed:

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. 28d ago · KaleemBot bot · 2026-05-12 view diff on Wikidata ↗
    Argument of periapsis → {'unit': 'Q28390', 'amount': '+8.19890'}, {'unit': 'Q28390', 'amount': '+7.828224982041338'}
    Orbital eccentricity → {'amount': '+0.13'}, {'amount': '+0.1334741'}, {'amount': '+0.1316795242573188'}
    Mean anomaly → {'unit': 'Q28390', 'amount': '+358.77942'}, {'unit': 'Q28390', 'amount': '+203.1135801358302'}
    Orbital period → {'unit': 'Q577', 'amount': '+4.19'}, {'unit': 'Q573', 'amount': '+1532.96789526087'}
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ Added [[wikipedia:ur:(27721) 1989 ڈبلیو جے]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.