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(15504) 1999 RG33

Centaur (small Solar System body), Damocloid
Place asteroid Q8825082
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(15504) 1999 RG33

Summary

(15504) 1999 RG33 is an asteroid[1]. (15504) 1999 RG33 ranks in the top 2% of asteroid entities by monthly Wikipedia readership (6 views/month).[2]

Key Facts

  • (15504) 1999 RG33 is credited with the discovery of Catalina Sky Survey[3].
  • (15504) 1999 RG33's instance of is recorded as asteroid[4].
  • (15504) 1999 RG33's instance of is recorded as centaur[5].
  • (15504) 1999 RG33's site of astronomical discovery is recorded as Catalina Station[6].
  • (15504) 1999 RG33 followed 15503 Estradioto[7].
  • (15504) 1999 RG33 was followed by (15505) 1999 RF56[8].
  • (15504) 1999 RG33's minor planet group is recorded as centaur[9].
  • (15504) 1999 RG33's parent astronomical body is recorded as Sun[10].
  • (15504) 1999 RG33's provisional designation is recorded as 1999 RG33[11].
  • (15504) 1999 RG33's time of discovery or invention is recorded as September 4, 1999[12].
  • (15504) 1999 RG33's orbital eccentricity is recorded as {'amount': '+0.7738214'}[13].
  • (15504) 1999 RG33's orbital eccentricity is recorded as {'amount': '+0.7730557740786702'}[14].
  • (15504) 1999 RG33's absolute magnitude is recorded as {'amount': '+12.1'}[15].
  • (15504) 1999 RG33's absolute magnitude is recorded as {'amount': '+12.23'}[16].
  • (15504) 1999 RG33's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+34.90665'}[17].
  • (15504) 1999 RG33's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+34.94992582263151'}[18].
  • (15504) 1999 RG33's orbital period is recorded as {'unit': 'Q577', 'amount': '+28.75'}[19].
  • (15504) 1999 RG33's orbital period is recorded as {'unit': 'Q573', 'amount': '+10497.41949992342'}[20].
  • (15504) 1999 RG33's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+23.60425'}[21].
  • (15504) 1999 RG33's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+23.40351363307287'}[22].
  • (15504) 1999 RG33's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+9.3845286'}[23].
  • (15504) 1999 RG33's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+9.382590253488067'}[24].
  • (15504) 1999 RG33's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+16.646'}[25].
  • (15504) 1999 RG33's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+16.63585582476127'}[26].
  • (15504) 1999 RG33's periapsis is recorded as {'unit': 'Q1811', 'amount': '+2.1225793'}[27].

Body

Designation and Status

Recorded instance of include asteroid[4] and centaur[5].

Why It Matters

(15504) 1999 RG33 ranks in the top 2% of asteroid entities by monthly Wikipedia readership (6 views/month).[2] (15504) 1999 RG33 has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[28] (15504) 1999 RG33 is known by 3 alternative names across languages and contexts.[29]

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. [5] ↑ . wikidata.org.
  3. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [10] ↑ . 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  12. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [15] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  14. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] ↑ . Wikidata sitelinks. wikidata.org.
  3. [29] ↑ . 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). (15504) 1999 RG33. Retrieved May 3, 2026, from https://4ort.xyz/entity/15504-1999-rg33
MLA “(15504) 1999 RG33.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/15504-1999-rg33.
BibTeX @misc{4ortxyz_15504-1999-rg33_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(15504) 1999 RG33}}, year = {2026}, url = {https://4ort.xyz/entity/15504-1999-rg33}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (15504) 1999 RG33 — https://4ort.xyz/entity/15504-1999-rg33 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/15504-1999-rg33 · 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. 23d ago · Peter James · 2026-05-15 view diff on Wikidata ↗
    Albedo → {'amount': '+0.050'}
    Followed by → (15505) 1999 RF56
    Follows → 15503 Estradioto
    Mean anomaly → {'unit': 'Q28390', 'amount': '+260.15478'}, {'unit': 'Q28390', 'amount': '+342.310682309803'}
    + 20 other properties edited (see Wikidata diff for full list)
    "/* wbmergeitems-from:0||Q139783633 */ #quickstatements; #temporary_batch_1778887664546"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.