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(58140) 1981 SN

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(58140) 1981 SN

Summary

(58140) 1981 SN is an asteroid[1].

Key Facts

  • (58140) 1981 SN is credited with the discovery of Antonín Mrkos[2].
  • (58140) 1981 SN's instance of is recorded as asteroid[3].
  • (58140) 1981 SN's site of astronomical discovery is recorded as Kleť Observatory[4].
  • (58140) 1981 SN's follows is recorded as (58139) 1981 EP46[5].
  • (58140) 1981 SN's followed by is recorded as (58141) 1981 UW22[6].
  • (58140) 1981 SN's minor planet group is recorded as asteroid belt[7].
  • (58140) 1981 SN's parent astronomical body is recorded as Sun[8].
  • (58140) 1981 SN's provisional designation is recorded as 1985 UM[9].
  • (58140) 1981 SN's provisional designation is recorded as 1981 SN[10].
  • (58140) 1981 SN's time of discovery or invention is recorded as +1981-09-22T00:00:00Z[11].
  • (58140) 1981 SN's JPL Small-Body Database SPK-ID is recorded as 20058140[12].
  • (58140) 1981 SN's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1578777710228844'}[13].
  • (58140) 1981 SN's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.07'}[14].
  • (58140) 1981 SN's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+5.168672379761977'}[15].
  • (58140) 1981 SN's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1430.306822375945'}[16].
  • (58140) 1981 SN's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+215.7138544006725'}[17].
  • (58140) 1981 SN's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.484394288774169'}[18].
  • (58140) 1981 SN's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.876624921427818'}[19].
  • (58140) 1981 SN's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.092163656120519'}[20].
  • (58140) 1981 SN's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+156.5195258268592'}[21].
  • (58140) 1981 SN's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+97.72455904727576'}[22].
  • (58140) 1981 SN's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+4.31'}[23].
  • (58140) 1981 SN's albedo is recorded as {'unit': '1', 'amount': '+0.287'}[24].
  • (58140) 1981 SN's Minor Planet Center body ID is recorded as 58140[25].
  • (58140) 1981 SN's epoch is recorded as November 21, 2025[26].

Body

Designation and Status

(58140) 1981 SN'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] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . 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). (58140) 1981 SN. Retrieved May 3, 2026, from https://4ort.xyz/entity/-58140-1981-sn
MLA “(58140) 1981 SN.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-58140-1981-sn.
BibTeX @misc{4ortxyz_-58140-1981-sn_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(58140) 1981 SN}}, year = {2026}, url = {https://4ort.xyz/entity/-58140-1981-sn}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (58140) 1981 SN — https://4ort.xyz/entity/-58140-1981-sn (retrieved 2026-05-03)

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