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(13537) 1991 SG

minor planet
Place asteroid Q4541249
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(13537) 1991 SG

Summary

(13537) 1991 SG is an asteroid[1]. (13537) 1991 SG has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • (13537) 1991 SG is credited with the discovery of Robert H. McNaught[3].
  • (13537) 1991 SG's instance of is recorded as asteroid[4].
  • (13537) 1991 SG's site of astronomical discovery is recorded as Siding Spring Observatory[5].
  • (13537) 1991 SG's follows is recorded as (13536) 1991 RA15[6].
  • (13537) 1991 SG's followed by is recorded as (13538) 1991 ST[7].
  • (13537) 1991 SG's minor planet group is recorded as asteroid belt[8].
  • (13537) 1991 SG's parent astronomical body is recorded as Sun[9].
  • (13537) 1991 SG's provisional designation is recorded as 1977 CM1[10].
  • (13537) 1991 SG's provisional designation is recorded as 1989 EO7[11].
  • (13537) 1991 SG's provisional designation is recorded as 1991 SG[12].
  • (13537) 1991 SG's time of discovery or invention is recorded as +1991-09-29T00:00:00Z[13].
  • (13537) 1991 SG's Freebase ID is recorded as /m/0h63svc[14].
  • (13537) 1991 SG's JPL Small-Body Database SPK-ID is recorded as 20013537[15].
  • (13537) 1991 SG's orbital eccentricity is recorded as {'amount': '+0.0763785'}[16].
  • (13537) 1991 SG's orbital eccentricity is recorded as {'amount': '+0.07460548417795124'}[17].
  • (13537) 1991 SG's absolute magnitude is recorded as {'amount': '+12.9'}[18].
  • (13537) 1991 SG's absolute magnitude is recorded as {'amount': '+13.06'}[19].
  • (13537) 1991 SG's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+9.84544'}[20].
  • (13537) 1991 SG's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+9.84951814108384'}[21].
  • (13537) 1991 SG's orbital period is recorded as {'unit': 'Q577', 'amount': '+5.67'}[22].
  • (13537) 1991 SG's orbital period is recorded as {'unit': 'Q573', 'amount': '+2065.83241984977'}[23].
  • (13537) 1991 SG's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+157.16496'}[24].
  • (13537) 1991 SG's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+157.004644483641'}[25].
  • (13537) 1991 SG's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+3.1792849'}[26].
  • (13537) 1991 SG's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+3.17442039844022'}[27].

Body

Designation and Status

(13537) 1991 SG's instance of is recorded as asteroid[4].

Why It Matters

(13537) 1991 SG has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2] (13537) 1991 SG is known by 4 alternative names across languages and contexts.[28]

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. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . JPL Small-Body Database. Retrieved . 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] ↑ . Wikidata sitelinks. wikidata.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). (13537) 1991 SG. Retrieved May 3, 2026, from https://4ort.xyz/entity/13537-1991-sg
MLA “(13537) 1991 SG.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/13537-1991-sg.
BibTeX @misc{4ortxyz_13537-1991-sg_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(13537) 1991 SG}}, year = {2026}, url = {https://4ort.xyz/entity/13537-1991-sg}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (13537) 1991 SG — https://4ort.xyz/entity/13537-1991-sg (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/13537-1991-sg · 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. 5w ago · Shuaib-bot bot · 2026-05-04 view diff on Wikidata ↗
    Orbital period → {'unit': 'Q577', 'amount': '+5.67'}, {'unit': 'Q573', 'amount': '+2065.83241984977'}
    Argument of periapsis → {'unit': 'Q28390', 'amount': '+188.56138'}, {'unit': 'Q28390', 'amount': '+191.2569328090424'}
    Mean anomaly → {'unit': 'Q28390', 'amount': '+251.65430'}, {'unit': 'Q28390', 'amount': '+16.67042918132504'}
    Followed by → —
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.