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8544 Sigenori

asteroid
Place asteroid Q550078

Facts

24 properties
Instance of
asteroid
Follows
8543 Tsunemi[3]
Followed by
8545 McGee[4]
Absolute magnitude
+14.5, +14.64[14][15]
Albedo
+0.408[33]
Apoapsis
+2.505, +2.505915394246753[24][25]
Argument of periapsis
+316.71078, +317.3122567453048[28][29]
Diameter
+2.742[32]
Discoverer or inventor
Takao Kobayashi[1]
Epoch
November 21, 2025[34]
Longitude of ascending node
+150.01242, +149.9375414987137[20][21]
Mean anomaly
+319.06562, +25.44763991179833[30][31]
Minor planet group
asteroid belt[5]
Orbital eccentricity
0.09 (0.09–0.09, n=3)[11][12][13]
Orbital inclination
+0.95601, +0.9577755770392868[16][17]
Orbital period
+3.51, +1280.794891321816[18][19]
Parent astronomical body
Sun[6]
Periapsis
+2.1118688, +2.110279137326469[26][27]
Provisional designation
1991 ES4, 1993 YE[7][8]
Semi-major axis of an orbit
+2.3082708, +2.308097265786611[22][23]
Significant event
naming[10]
Site of astronomical discovery
Ōizumi Observatory[2]
Time of discovery or invention
December 17, 1993[9]
Time of periapsis
+2460909.9633133467[35]
🏷️ Also known as
en 8544 Sigenori en Sigenori de (8544) Sigenori fa سیارک ۸۵۴۴ ja 重徳 ja 8544 重徳 ja しげのり ru 1991 ES4 ru 1993 YE ru (8544) 1993 YE ru Sigenori uk 8544 Сіґенорі zh 小行星8544
🔖 Identifiers · 3
Freebase ID
/m/03ygl08
JPL Small-Body Database SPK-ID
20008544
Minor Planet Center body ID
8544

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

🔗 Connections
Discoverer or inventor 1
Takao Kobayashi
Epoch 1
November 21, 2025
Followed by 1
8545 McGee
Followed by (predecessor) 1
8545 McGee
Follows 1
8543 Tsunemi
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
8543 Tsunemi
Site of astronomical discovery 1
Ōizumi Observatory
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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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [3] ↑ . Minor Planet Center database. wikidata.org.
  4. [4] ↑ . Minor Planet Center database. wikidata.org.
  5. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . wikidata.org.
  11. [11] ↑ . wikidata.org.
  12. [12] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  13. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [14] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  15. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [16] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  17. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [18] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  19. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [20] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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.

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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). 8544 Sigenori. Retrieved November 2, 2026, from https://4ort.xyz/entity/8544-sigenori
MLA “8544 Sigenori.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Nov. 2026, https://4ort.xyz/entity/8544-sigenori.
BibTeX @misc{4ortxyz_8544-sigenori_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{8544 Sigenori}}, year = {2026}, url = {https://4ort.xyz/entity/8544-sigenori}, note = {Accessed: 2026-11-02}}
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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. 2d ago · AbzalM · 2026-11-02 view diff on Wikidata ↗
    Orbital inclination → {'unit': 'Q28390', 'amount': '+0.95601'}, {'unit': 'Q28390', 'amount': '+0.9577755770392868'}
    Apoapsis → {'unit': 'Q1811', 'amount': '+2.505'}, {'unit': 'Q1811', 'amount': '+2.505915394246753'}
    Discoverer or inventor → Takao Kobayashi
    Site of astronomical discovery → Ōizumi Observatory
    + 24 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.