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(13515) 1990 SG12

minor planet
Place asteroid Q4541237
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(13515) 1990 SG12

Summary

(13515) 1990 SG12 is an asteroid[1]. (13515) 1990 SG12 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • (13515) 1990 SG12 is credited with the discovery of Henry E. Holt[3].
  • (13515) 1990 SG12's instance of is recorded as asteroid[4].
  • (13515) 1990 SG12's site of astronomical discovery is recorded as Palomar Observatory[5].
  • (13515) 1990 SG12's follows is recorded as 13514 Mikerudenko[6].
  • (13515) 1990 SG12's followed by is recorded as (13516) 1990 UO1[7].
  • (13515) 1990 SG12's minor planet group is recorded as asteroid belt[8].
  • (13515) 1990 SG12's parent astronomical body is recorded as Sun[9].
  • (13515) 1990 SG12's provisional designation is recorded as 1986 RT17[10].
  • (13515) 1990 SG12's provisional designation is recorded as 1990 SG12[11].
  • (13515) 1990 SG12's provisional designation is recorded as 1994 PV32[12].
  • (13515) 1990 SG12's time of discovery or invention is recorded as +1990-09-19T00:00:00Z[13].
  • (13515) 1990 SG12's Freebase ID is recorded as /m/0h559pl[14].
  • (13515) 1990 SG12's JPL Small-Body Database SPK-ID is recorded as 20013515[15].
  • (13515) 1990 SG12's orbital eccentricity is recorded as {'amount': '+0.21'}[16].
  • (13515) 1990 SG12's orbital eccentricity is recorded as {'amount': '+0.2109332'}[17].
  • (13515) 1990 SG12's orbital eccentricity is recorded as {'amount': '+0.2118011508232518'}[18].
  • (13515) 1990 SG12's absolute magnitude is recorded as {'amount': '+14.8'}[19].
  • (13515) 1990 SG12's absolute magnitude is recorded as {'amount': '+14.91'}[20].
  • (13515) 1990 SG12's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+4.02152'}[21].
  • (13515) 1990 SG12's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+4.023557693957922'}[22].
  • (13515) 1990 SG12's orbital period is recorded as {'unit': 'Q577', 'amount': '+4.08'}[23].
  • (13515) 1990 SG12's orbital period is recorded as {'unit': 'Q573', 'amount': '+1487.517678950136'}[24].
  • (13515) 1990 SG12's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+212.49260'}[25].
  • (13515) 1990 SG12's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+212.4648342300414'}[26].
  • (13515) 1990 SG12's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.5517634'}[27].

Body

Designation and Status

(13515) 1990 SG12's instance of is recorded as asteroid[4].

Why It Matters

(13515) 1990 SG12 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2] (13515) 1990 SG12 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] ↑ . wikidata.org.
  15. [17] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  16. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [19] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [21] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  20. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [23] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  22. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [25] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  24. [26] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [27] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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). (13515) 1990 SG12. Retrieved May 3, 2026, from https://4ort.xyz/entity/13515-1990-sg12
MLA “(13515) 1990 SG12.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/13515-1990-sg12.
BibTeX @misc{4ortxyz_13515-1990-sg12_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(13515) 1990 SG12}}, year = {2026}, url = {https://4ort.xyz/entity/13515-1990-sg12}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (13515) 1990 SG12 — https://4ort.xyz/entity/13515-1990-sg12 (retrieved 2026-05-03)

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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. 4w ago · Shuaib-bot bot · 2026-05-04 view diff on Wikidata ↗
    Orbital period → {'unit': 'Q577', 'amount': '+4.08'}, {'unit': 'Q573', 'amount': '+1487.517678950136'}
    Argument of periapsis → {'unit': 'Q28390', 'amount': '+159.58665'}, {'unit': 'Q28390', 'amount': '+159.5138569346203'}
    Mean anomaly → {'unit': 'Q28390', 'amount': '+260.92002'}, {'unit': 'Q28390', 'amount': '+218.5264956089924'}
    Followed by → —
    + 20 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.