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5830 Simohiro

asteroid
Place asteroid Q932682

Facts

25 properties
Instance of
asteroid
Follows
5829 Ishidagoro[4]
Followed by
5831 Dizzy[5]
Absolute magnitude
+15.0, +15.05[15][16]
Albedo
+0.336[35]
Apoapsis
+2.734, +2.736001392257421[26][27]
Argument of periapsis
+81.45337, +81.43162190690663[30][31]
Diameter
+3.021[34]
Discoverer or inventor
Tsuneo Niijima, Takeshi Urata[1][2]
Epoch
November 21, 2025[36]
Longitude of ascending node
+48.27282, +48.1925406140323[22][23]
Mean anomaly
+345.37163, +70.34661053838398[32][33]
Minor planet group
asteroid belt[6]
Orbital eccentricity
0.2 (0.2–0.2, n=3)[12][13][14]
Orbital inclination
+5.26989, +5.264192829240332[17][18]
Orbital period
+3.43, +1252.202089733815[19][20]
Parent astronomical body
Sun[7]
Periapsis
+1.8144135, +1.811232856095192[28][29]
Provisional designation
1984 CC, 1991 EG[8][9]
Rotation period
+58.052[21]
Semi-major axis of an orbit
+2.2741195, +2.273617124176307[24][25]
Significant event
naming[11]
Site of astronomical discovery
Ojima[3]
Time of discovery or invention
March 9, 1991[10]
Show all 25 facts +1
Time of periapsis
+2460755.8106313283[37]
🏷️ Also known as
en 5830 Simohiro en Simohiro de (5830) Simohiro fa سیارک ۵۸۳۰ ja シモヒロ ja 5830 シモヒロ ja しもひろ ru 1984 CC ru 1991 EG ru (5830) 1991 EG ru Simohiro uk 5830 Сімохіро zh 小行星5830
🔖 Identifiers · 3
Freebase ID
/m/03yglmx
JPL Small-Body Database SPK-ID
20005830
Minor Planet Center body ID
5830

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Discoverer or inventor 2
Takeshi Urata, Tsuneo Niijima
Epoch 1
November 21, 2025
Follows 1
5829 Ishidagoro
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
5829 Ishidagoro
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References

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

Direct Wikidata claims

  1. [1] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [2] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [4] ↑ . Minor Planet Center database. wikidata.org.
  5. [5] ↑ . Minor Planet Center database. wikidata.org.
  6. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [7] ↑ . wikidata.org.
  8. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [11] ↑ . wikidata.org.
  12. [12] ↑ . wikidata.org.
  13. [13] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  14. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [15] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  16. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [17] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [19] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  20. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [22] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  23. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [24] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  25. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  26. [26] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  27. [27] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  28. [28] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  29. [29] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  30. [30] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  31. [31] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  32. [32] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  33. [33] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  34. [34] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  35. [35] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  36. [36] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  37. [37] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

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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). 5830 Simohiro. Retrieved October 31, 2026, from https://4ort.xyz/entity/5830-simohiro
MLA “5830 Simohiro.” 4ort.xyz Knowledge Graph, 4ort.xyz, 31 Oct. 2026, https://4ort.xyz/entity/5830-simohiro.
BibTeX @misc{4ortxyz_5830-simohiro_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{5830 Simohiro}}, year = {2026}, url = {https://4ort.xyz/entity/5830-simohiro}, note = {Accessed: 2026-10-31}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 5830 Simohiro — https://4ort.xyz/entity/5830-simohiro (retrieved 2026-10-31)

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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. 3d ago · AbzalM · 2026-10-31 view diff on Wikidata ↗
    Periapsis → {'unit': 'Q1811', 'amount': '+1.8144135'}, {'unit': 'Q1811', 'amount': '+1.811232856095192'}
    Orbital period → {'unit': 'Q577', 'amount': '+3.43'}, {'unit': 'Q573', 'amount': '+1252.202089733815'}
    Wikipedia languages → ['arz', 'ce', 'en', 'eo', 'es', 'fa', 'fi', 'fr', 'hu', 'hy', 'it', 'ja', 'kaa',
    Rotation period → {'unit': 'Q25235', 'amount': '+58.052'}
    + 25 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-and-other-short:0||kaa */ kaawiki sitelink"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.