20664 Senec

asteroid
Place asteroid Q5181407
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20664 Senec

Summary

20664 Senec is an asteroid[1]. It ranks in the top 2% of asteroid entities by monthly Wikipedia readership (1 views/month).[2]

Key Facts

  • 20664 Senec is credited with the discovery of Adrián Galád[3].
  • 20664 Senec is credited with the discovery of Juraj Tóth[4].
  • 20664 Senec's instance of is recorded as asteroid[5].
  • 20664 Senec's site of astronomical discovery is recorded as Modra Observatory[6].
  • Senec is named after 20664 Senec[7].
  • 20664 Senec followed (20663) 1999 UU2[8].
  • 20664 Senec was followed by (20665) 1999 UQ8[9].
  • 20664 Senec's minor planet group is recorded as asteroid belt[10].
  • 20664 Senec's minor planet group is recorded as outer asteroid belt[11].
  • 20664 Senec's parent astronomical body is recorded as Sun[12].
  • 20664 Senec's provisional designation is recorded as 1999 UV4[13].
  • 20664 Senec's time of discovery or invention is recorded as October 31, 1999[14].
  • 20664 Senec's significant event is recorded as naming[15].
  • 20664 Senec's orbital eccentricity is recorded as {'amount': '+0.0684505'}[16].
  • 20664 Senec's orbital eccentricity is recorded as {'amount': '+0.06722786692382887'}[17].
  • 20664 Senec's absolute magnitude is recorded as {'amount': '+12.7'}[18].
  • 20664 Senec's absolute magnitude is recorded as {'amount': '+12.86'}[19].
  • 20664 Senec's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+10.29298'}[20].
  • 20664 Senec's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+10.29701612559059'}[21].
  • 20664 Senec's orbital period is recorded as {'unit': 'Q577', 'amount': '+6.49'}[22].
  • 20664 Senec's orbital period is recorded as {'unit': 'Q573', 'amount': '+2365.802588543966'}[23].
  • 20664 Senec's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+163.17637'}[24].
  • 20664 Senec's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+163.1279891669406'}[25].
  • 20664 Senec's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+3.4776021'}[26].
  • 20664 Senec's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+3.474721892271329'}[27].

Body

Designation and Status

20664 Senec's instance of is recorded as asteroid[5].

History and Context

Senec is named after 20664 Senec[7].

Why It Matters

20664 Senec ranks in the top 2% of asteroid entities by monthly Wikipedia readership (1 views/month).[2] It is known by 6 alternative names across languages and contexts.[28]

References

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

Direct Wikidata claims

  1. [5] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [3] . JPL Small-Body Database. wikidata.org.
  3. [4] . wikidata.org.
  4. [6] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  5. [7] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . JPL Small-Body Database. wikidata.org.
  9. [11] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  15. [17] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  17. [19] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  19. [21] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  21. [23] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [24] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  23. [25] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [26] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  25. [27] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata aliases. 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). 20664 Senec. Retrieved May 3, 2026, from https://4ort.xyz/entity/20664-senec
MLA “20664 Senec.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/20664-senec.
BibTeX @misc{4ortxyz_20664-senec_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{20664 Senec}}, year = {2026}, url = {https://4ort.xyz/entity/20664-senec}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 20664 Senec — https://4ort.xyz/entity/20664-senec (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/20664-senec · Last refreshed:

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. 12d ago · Peter James · 2026-05-15 view diff on Wikidata ↗
    Instance of asteroid
    Epoch November 21, 2025
    Orbital period {'unit': 'Q577', 'amount': '+6.49'}, {'unit': 'Q573', 'amount': '+2365.802588543966'}
    Argument of periapsis {'unit': 'Q28390', 'amount': '+148.04453'}, {'unit': 'Q28390', 'amount': '+149.2997915818605'}
    + 24 other properties edited (see Wikidata diff for full list)
    "/* wbmergeitems-from:0||Q139802077 */ #quickstatements; #temporary_batch_1778879174762"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.