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4581 Asclepius

asteroid
Intangible Potentially Hazardous Asteroid Q154501

Facts

24 properties
Instance of
potentially hazardous asteroid, near-Earth object, near-Earth asteroid[4][5]
Follows
4580 Child[8]
Followed by
4582 Hank[9]
Absolute magnitude
20.7, 20.74[19][20]
Apoapsis
1.387, 1.387550672096806
Argument of periapsis
255.24716, 255.3885585086625
Discoverer or inventor
Henry E. Holt, Norman G. Thomas[2][3]
Epoch
November 21, 2025
Longitude of ascending node
180.23714, 180.1958673636933
Mean anomaly
105.91852, 233.3760433351633
Minor planet group
Apollo asteroid, asteroid belt[10][11]
Named after
Asclepius[7]
Orbital eccentricity
0.36 (0.36–0.36, n=3)[16][17][18]
Orbital inclination
4.92 (4.91–4.92, n=3)[21][22][23]
Orbital period
1.03, 377.6824788770631
Parent astronomical body
Sun[12]
Periapsis
0.6571328, 0.6575542925440822
Provisional designation
1989 FC[13]
Rotation period
8.008
Semi-major axis of an orbit
1.022186, 1.022552482320444
Significant event
naming[15]
Site of astronomical discovery
Palomar Observatory[6]
Time of discovery or invention
March 31, 1989[14]
Time of periapsis
2461133.3434717734
🏷️ Also known as
en 4581 Asclepius en Asclepius de (4581) Asclepius fa سیارک ۴۵۸۱ fr (4581) Asclépios ja アスクレピウス ru (4581) 1989 FC ru 1989 FC ru (4581) Asclepius ru (4581) Асклепий ru Asclepius ru Асклепий uk 4581 Асклепій zh 小行星4581
🔖 Identifiers · 3
Freebase ID
/m/07lnd9
JPL Small-Body Database SPK-ID
20004581
Minor Planet Center body ID
4581

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

🔗 Connections
Instance of 3
near-Earth object, near-Earth asteroid, potentially hazardous asteroid
Discoverer or inventor 2
Henry E. Holt, Norman G. Thomas
Minor planet group 2
asteroid belt, Apollo asteroid
Epoch 1
November 21, 2025
Followed by 1
4582 Hank
Followed by (predecessor) 1
4582 Hank
Named after 1
Asclepius
Parent astronomical body 1
Sun
Site of astronomical discovery 1
Palomar Observatory
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Summary

4581 Asclepius is a potentially hazardous asteroid[1].

References

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

Direct Wikidata claims

  1. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [2] ↑ . Minor Planet Center database. wikidata.org.
  4. [3] ↑ . Minor Planet Center database. wikidata.org.
  5. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . Minor Planet Center database. wikidata.org.
  8. [9] ↑ . Minor Planet Center database. wikidata.org.
  9. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . 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] ↑ . 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.

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). 4581 Asclepius. Retrieved November 9, 2026, from https://4ort.xyz/entity/4581-asclepius
MLA “4581 Asclepius.” 4ort.xyz Knowledge Graph, 4ort.xyz, 9 Nov. 2026, https://4ort.xyz/entity/4581-asclepius.
BibTeX @misc{4ortxyz_4581-asclepius_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{4581 Asclepius}}, year = {2026}, url = {https://4ort.xyz/entity/4581-asclepius}, note = {Accessed: 2026-11-09}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 4581 Asclepius — https://4ort.xyz/entity/4581-asclepius (retrieved 2026-11-09)

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