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6559 Nomura

asteroid
Thing asteroid Q156215

Facts

27 properties
Instance of
asteroid
Follows
6558 Norizuki[7]
Followed by
6560 Pravdo[8]
Absolute magnitude
14.1 (13.9–14.1, n=3)[17][18][19]
Albedo
0.072
Apoapsis
2.919 astronomical unit, 2.918194961941324 astronomical unit
Argument of periapsis
57.56029 degree, 57.65562882887108 degree
Diameter
9.405 km
Discoverer or inventor
Matsuo Sugano, Kōyō Kawanishi[2][3]
Epoch
November 21, 2025
Imported from
wholeness_audit_2026-05-02_v2
Longitude of ascending node
210.03243 degree, 209.9373096314504 degree
Mean anomaly
248.21872 degree, 185.5649145112751 degree
Minor planet group
asteroid belt[9]
Named after
Toshiro Nomura[6]
Orbital eccentricity
0.24 (0.24–0.24, n=3)[14][15][16]
Orbital inclination
9.72140 degree, 9.711729483746618 degree[20][21]
Orbital period
3.6 year, 1,316.111190747282 day[22][23]
Parent astronomical body
Sun[10]
Periapsis
1.7773010 astronomical unit, 1.782471452829343 astronomical unit
Provisional designation
1991 JP[11]
Rotation period
165.154 hour
Semi-major axis of an orbit
2.3480498 astronomical unit, 2.350333207385334 astronomical unit
Significant event
naming[13]
Show all 27 facts +3
Site of astronomical discovery
Minami-Awaji, Minami-Oda Observatory[4][5]
Time of discovery or invention
May 3, 1991[12]
Time of periapsis
2,461,638.2110224185 Julian day
🏷️ Also known as
en Nomura de (6559) Nomura de 1991 JP fa سیارک ۶۵۵۹ ja ノムラ ja 6559 ノムラ ja 6559 野村 ja 野村 ru (6559) 1991 JP ru (6559) Номура ru Номура uk 6559 Номура zh 小行星6559
🔖 Identifiers · 3
Freebase ID
/m/03y7psq
JPL Small-Body Database SPK-ID
20006559
Minor Planet Center body ID
6559
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Summary

6559 Nomura is an asteroid[1].

Body

Works and Contributions

Credited discoveries include Matsuo Sugano[2], an astronomer[24], b. 1939[25], of Japan[26] and Kōyō Kawanishi[3], an amateur astronomer[27], b. 1959[28], of Japan[29].

References

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

Direct Wikidata claims

  1. [2] ↑ . Minor Planet Center database. wikidata.org.
  2. [3] ↑ . Minor Planet Center database. wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . Minor Planet Center database. wikidata.org.
  7. [8] ↑ . Minor Planet Center database. wikidata.org.
  8. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  15. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [17] ↑ . 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  22. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Inline context (facts about related entities)

  1. [24] ↑ . Wikidata. wikidata.org. → on this site
  2. [25] ↑ . Wikidata. wikidata.org. → on this site
  3. [26] ↑ . Wikidata. wikidata.org. → on this site
  4. [27] ↑ . Wikidata. wikidata.org. → on this site
  5. [28] ↑ . Wikidata. wikidata.org. → on this site
  6. [29] ↑ . Wikidata. wikidata.org. → on this site

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). 6559 Nomura. Retrieved November 1, 2026, from https://4ort.xyz/entity/6559-nomura
MLA “6559 Nomura.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Nov. 2026, https://4ort.xyz/entity/6559-nomura.
BibTeX @misc{4ortxyz_6559-nomura_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{6559 Nomura}}, year = {2026}, url = {https://4ort.xyz/entity/6559-nomura}, note = {Accessed: 2026-11-01}}
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