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(5487) 1991 UM4

main-belt minor planet
Place asteroid Q710828
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(5487) 1991 UM4

Summary

(5487) 1991 UM4 is an asteroid[1]. (5487) 1991 UM4 ranks in the top 2% of asteroid entities by monthly Wikipedia readership (1 views/month).[2]

Key Facts

  • (5487) 1991 UM4 is credited with the discovery of Seiji Ueda[3].
  • (5487) 1991 UM4 is credited with the discovery of Hiroshi Kaneda[4].
  • (5487) 1991 UM4's instance of is recorded as asteroid[5].
  • (5487) 1991 UM4's site of astronomical discovery is recorded as Kushiro[6].
  • (5487) 1991 UM4's follows is recorded as (5486) 1991 UT2[7].
  • (5487) 1991 UM4's followed by is recorded as 5488 Kiyosato[8].
  • (5487) 1991 UM4's minor planet group is recorded as asteroid belt[9].
  • (5487) 1991 UM4's parent astronomical body is recorded as Sun[10].
  • (5487) 1991 UM4's provisional designation is recorded as 1991 UM4[11].
  • (5487) 1991 UM4's provisional designation is recorded as 1983 RD8[12].
  • (5487) 1991 UM4's provisional designation is recorded as 1990 LC[13].
  • (5487) 1991 UM4's time of discovery or invention is recorded as +1991-10-18T00:00:00Z[14].
  • (5487) 1991 UM4's Freebase ID is recorded as /m/0bs603y[15].
  • (5487) 1991 UM4's JPL Small-Body Database SPK-ID is recorded as 20005487[16].
  • (5487) 1991 UM4's orbital eccentricity is recorded as {'amount': '+0.1609211'}[17].
  • (5487) 1991 UM4's orbital eccentricity is recorded as {'amount': '+0.1611989596715337'}[18].
  • (5487) 1991 UM4's absolute magnitude is recorded as {'amount': '+13.9'}[19].
  • (5487) 1991 UM4's absolute magnitude is recorded as {'amount': '+13.97'}[20].
  • (5487) 1991 UM4's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+2.30676'}[21].
  • (5487) 1991 UM4's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+2.307027226541222'}[22].
  • (5487) 1991 UM4's orbital period is recorded as {'unit': 'Q577', 'amount': '+3.75'}[23].
  • (5487) 1991 UM4's orbital period is recorded as {'unit': 'Q573', 'amount': '+1367.835534651257'}[24].
  • (5487) 1991 UM4's rotation period is recorded as {'unit': 'Q25235', 'amount': '+6.65'}[25].
  • (5487) 1991 UM4's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+355.84595'}[26].
  • (5487) 1991 UM4's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+355.7983180979225'}[27].

Body

Designation and Status

(5487) 1991 UM4's instance of is recorded as asteroid[5].

Why It Matters

(5487) 1991 UM4 ranks in the top 2% of asteroid entities by monthly Wikipedia readership (1 views/month).[2] (5487) 1991 UM4 has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[28] (5487) 1991 UM4 is known by 4 alternative names across languages and contexts.[29]

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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [15] ↑ . Freebase Data Dumps. wikidata.org.
  14. [16] ↑ . JPL Small-Body Database. Retrieved . 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] ↑ . 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] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] ↑ . Wikidata sitelinks. wikidata.org.
  3. [29] ↑ . 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). (5487) 1991 UM4. Retrieved May 3, 2026, from https://4ort.xyz/entity/5487-1991-um4
MLA “(5487) 1991 UM4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/5487-1991-um4.
BibTeX @misc{4ortxyz_5487-1991-um4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(5487) 1991 UM4}}, year = {2026}, url = {https://4ort.xyz/entity/5487-1991-um4}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (5487) 1991 UM4 — https://4ort.xyz/entity/5487-1991-um4 (retrieved 2026-05-03)

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