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4503 Cleobulus

asteroid
Thing Asteroid Q154339

Facts

25 properties
Instance of
asteroid, near-Earth object[3]
Follows
4502 Elizabethann[6]
Followed by
4504 Jenkinson[7]
Absolute magnitude
15.6, 15.82[19][20]
Apoapsis
4.121 astronomical unit, 4.122347211835637 astronomical unit
Argument of periapsis
76.29860 degree, 76.23553486494441 degree
Asteroid spectral type
S-type asteroid[14]
Discoverer or inventor
Carolyn S. Shoemaker[2]
Epoch
November 21, 2025
Longitude of ascending node
45.97625 degree, 45.94072806295195 degree
Mean anomaly
204.31483 degree, 16.49838838509503 degree
Minor planet group
Amor asteroid, asteroid belt[8][9]
Named after
Cleobulus of Lindos[5]
Orbital eccentricity
0.52 (0.52–0.52, n=3)[16][17][18]
Orbital inclination
2.51276 degree, 2.512807256621072 degree[21][22]
Orbital period
4.45 year, 1,623.708668425011 day[23][24]
Parent astronomical body
Sun[10]
Periapsis
1.2882528 astronomical unit, 1.284819800220926 astronomical unit
Provisional designation
1980 YS, 1989 WM[11][12]
Rotation period
2.8164 hour[25]
Semi-major axis of an orbit
2.7047562 astronomical unit, 2.703583506028281 astronomical unit
Significant event
naming[15]
Site of astronomical discovery
Palomar Observatory[4]
Time of discovery or invention
November 28, 1989[13]
Show all 25 facts +1
Time of periapsis
2,460,926.0872882335 Julian day
🏷️ Also known as
en (4503) Cleobulus en Cleobulus fa سیارک ۴۵۰۳ fr (4503) Cléobule ru 1980 YS ru 1989 WM ru (4503) 1989 WM zh 小行星4503
🔖 Identifiers · 3
Freebase ID
/m/03y187s
JPL Small-Body Database SPK-ID
20004503
Minor Planet Center body ID
4503

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Summary

4503 Cleobulus is an asteroid[1].

References

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

Direct Wikidata claims

  1. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [2] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [5] ↑ . Minor Planet Center database. wikidata.org.
  5. [6] ↑ . Minor Planet Center database. wikidata.org.
  6. [7] ↑ . Minor Planet Center database. wikidata.org.
  7. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [9] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  17. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  19. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [21] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  21. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [23] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  23. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

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). 4503 Cleobulus. Retrieved November 6, 2026, from https://4ort.xyz/entity/4503-cleobulus
MLA “4503 Cleobulus.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/4503-cleobulus.
BibTeX @misc{4ortxyz_4503-cleobulus_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{4503 Cleobulus}}, year = {2026}, url = {https://4ort.xyz/entity/4503-cleobulus}, note = {Accessed: 2026-11-06}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 4503 Cleobulus — https://4ort.xyz/entity/4503-cleobulus (retrieved 2026-11-06)

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