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(15285) 1991 RW18

minor planet
Place asteroid Q4541582
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(15285) 1991 RW18

Summary

(15285) 1991 RW18 is an asteroid[1]. (15285) 1991 RW18 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • (15285) 1991 RW18 is credited with the discovery of Henry E. Holt[3].
  • (15285) 1991 RW18's instance of is recorded as asteroid[4].
  • (15285) 1991 RW18's site of astronomical discovery is recorded as Palomar Observatory[5].
  • (15285) 1991 RW18's follows is recorded as (15284) 1991 RZ16[6].
  • (15285) 1991 RW18's followed by is recorded as (15286) 1991 RJ22[7].
  • (15285) 1991 RW18's minor planet group is recorded as asteroid belt[8].
  • (15285) 1991 RW18's parent astronomical body is recorded as Sun[9].
  • (15285) 1991 RW18's provisional designation is recorded as 1991 RW18[10].
  • (15285) 1991 RW18's provisional designation is recorded as 1997 WL33[11].
  • (15285) 1991 RW18's provisional designation is recorded as 1999 CN66[12].
  • (15285) 1991 RW18's time of discovery or invention is recorded as +1991-09-14T00:00:00Z[13].
  • (15285) 1991 RW18's Freebase ID is recorded as /m/0h52hgk[14].
  • (15285) 1991 RW18's JPL Small-Body Database SPK-ID is recorded as 20015285[15].
  • (15285) 1991 RW18's orbital eccentricity is recorded as {'amount': '+0.12'}[16].
  • (15285) 1991 RW18's orbital eccentricity is recorded as {'amount': '+0.1153979'}[17].
  • (15285) 1991 RW18's orbital eccentricity is recorded as {'amount': '+0.1196336339164334'}[18].
  • (15285) 1991 RW18's absolute magnitude is recorded as {'amount': '+13.8'}[19].
  • (15285) 1991 RW18's absolute magnitude is recorded as {'amount': '+13.91'}[20].
  • (15285) 1991 RW18's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+4.85929'}[21].
  • (15285) 1991 RW18's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+4.8661158861516'}[22].
  • (15285) 1991 RW18's orbital period is recorded as {'unit': 'Q577', 'amount': '+5.36'}[23].
  • (15285) 1991 RW18's orbital period is recorded as {'unit': 'Q573', 'amount': '+1954.078230738749'}[24].
  • (15285) 1991 RW18's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+268.09493'}[25].
  • (15285) 1991 RW18's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+268.0018696409796'}[26].
  • (15285) 1991 RW18's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+3.0614242'}[27].

Body

Designation and Status

(15285) 1991 RW18's instance of is recorded as asteroid[4].

Why It Matters

(15285) 1991 RW18 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2] (15285) 1991 RW18 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). (15285) 1991 RW18. Retrieved May 3, 2026, from https://4ort.xyz/entity/15285-1991-rw18
MLA “(15285) 1991 RW18.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/15285-1991-rw18.
BibTeX @misc{4ortxyz_15285-1991-rw18_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(15285) 1991 RW18}}, year = {2026}, url = {https://4ort.xyz/entity/15285-1991-rw18}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (15285) 1991 RW18 — https://4ort.xyz/entity/15285-1991-rw18 (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. 5w ago · Shuaib-bot bot · 2026-05-04 view diff on Wikidata ↗
    Orbital period → {'unit': 'Q577', 'amount': '+5.36'}, {'unit': 'Q573', 'amount': '+1954.078230738749'}
    Argument of periapsis → {'unit': 'Q28390', 'amount': '+98.60473'}, {'unit': 'Q28390', 'amount': '+98.17906311583934'}
    Mean anomaly → {'unit': 'Q28390', 'amount': '+42.53735'}, {'unit': 'Q28390', 'amount': '+124.6628896770098'}
    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.