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(19931) 1981 EF3

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(19931) 1981 EF3

Summary

(19931) 1981 EF3 is an asteroid[1].

Key Facts

  • (19931) 1981 EF3 is credited with the discovery of Schelte J. Bus[2].
  • (19931) 1981 EF3's instance of is recorded as asteroid[3].
  • (19931) 1981 EF3's site of astronomical discovery is recorded as Siding Spring Observatory[4].
  • (19931) 1981 EF3's follows is recorded as (19930) 1981 EV2[5].
  • (19931) 1981 EF3's followed by is recorded as (19932) 1981 EU4[6].
  • (19931) 1981 EF3's minor planet group is recorded as asteroid belt[7].
  • (19931) 1981 EF3's parent astronomical body is recorded as Sun[8].
  • (19931) 1981 EF3's provisional designation is recorded as 1981 EF3[9].
  • (19931) 1981 EF3's provisional designation is recorded as 1996 TX55[10].
  • (19931) 1981 EF3's time of discovery or invention is recorded as +1981-03-02T00:00:00Z[11].
  • (19931) 1981 EF3's JPL Small-Body Database SPK-ID is recorded as 20019931[12].
  • (19931) 1981 EF3's orbital eccentricity is recorded as {'amount': '+0.0387173'}[13].
  • (19931) 1981 EF3's orbital eccentricity is recorded as {'amount': '+0.03919500886643787'}[14].
  • (19931) 1981 EF3's absolute magnitude is recorded as {'amount': '+15.8'}[15].
  • (19931) 1981 EF3's absolute magnitude is recorded as {'amount': '+15.94'}[16].
  • (19931) 1981 EF3's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+6.52530'}[17].
  • (19931) 1981 EF3's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+6.521996493131669'}[18].
  • (19931) 1981 EF3's orbital period is recorded as {'unit': 'Q577', 'amount': '+3.44'}[19].
  • (19931) 1981 EF3's orbital period is recorded as {'unit': 'Q573', 'amount': '+1258.799598921417'}[20].
  • (19931) 1981 EF3's rotation period is recorded as {'unit': 'Q25235', 'amount': '+50.0506'}[21].
  • (19931) 1981 EF3's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+244.06327'}[22].
  • (19931) 1981 EF3's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+244.0107255565438'}[23].
  • (19931) 1981 EF3's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.2808319'}[24].
  • (19931) 1981 EF3's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.28159617097729'}[25].
  • (19931) 1981 EF3's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+2.369'}[26].

Body

Designation and Status

(19931) 1981 EF3's instance of is recorded as asteroid[3].

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] ↑ . JPL Small-Body 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] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [12] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  12. [13] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  13. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  15. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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.
  23. [24] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  24. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [26] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). (19931) 1981 EF3. Retrieved May 3, 2026, from https://4ort.xyz/entity/19931-1981-ef3
MLA “(19931) 1981 EF3.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/19931-1981-ef3.
BibTeX @misc{4ortxyz_19931-1981-ef3_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(19931) 1981 EF3}}, year = {2026}, url = {https://4ort.xyz/entity/19931-1981-ef3}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (19931) 1981 EF3 — https://4ort.xyz/entity/19931-1981-ef3 (retrieved 2026-05-03)

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