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(15225) 1985 RJ4

minor planet
Place asteroid Q4541537
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(15225) 1985 RJ4

Summary

(15225) 1985 RJ4 is an asteroid[1]. (15225) 1985 RJ4 ranks in the top 2% of asteroid entities by monthly Wikipedia readership (1 views/month).[2]

Key Facts

  • (15225) 1985 RJ4 is credited with the discovery of Henri Debehogne[3].
  • (15225) 1985 RJ4's instance of is recorded as asteroid[4].
  • (15225) 1985 RJ4's site of astronomical discovery is recorded as La Silla Observatory[5].
  • (15225) 1985 RJ4's follows is recorded as 15224 Penttilä[6].
  • (15225) 1985 RJ4's followed by is recorded as (15226) 1986 UP[7].
  • (15225) 1985 RJ4's minor planet group is recorded as asteroid belt[8].
  • (15225) 1985 RJ4's parent astronomical body is recorded as Sun[9].
  • (15225) 1985 RJ4's provisional designation is recorded as 1974 SD1[10].
  • (15225) 1985 RJ4's provisional designation is recorded as 1985 RJ4[11].
  • (15225) 1985 RJ4's time of discovery or invention is recorded as +1985-09-11T00:00:00Z[12].
  • (15225) 1985 RJ4's Freebase ID is recorded as /m/0h3xw12[13].
  • (15225) 1985 RJ4's JPL Small-Body Database SPK-ID is recorded as 20015225[14].
  • (15225) 1985 RJ4's orbital eccentricity is recorded as {'amount': '+0.20'}[15].
  • (15225) 1985 RJ4's orbital eccentricity is recorded as {'amount': '+0.2024972'}[16].
  • (15225) 1985 RJ4's orbital eccentricity is recorded as {'amount': '+0.205752954200551'}[17].
  • (15225) 1985 RJ4's absolute magnitude is recorded as {'amount': '+13.6'}[18].
  • (15225) 1985 RJ4's absolute magnitude is recorded as {'amount': '+13.79'}[19].
  • (15225) 1985 RJ4's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+2.24904'}[20].
  • (15225) 1985 RJ4's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+2.242667620447552'}[21].
  • (15225) 1985 RJ4's orbital period is recorded as {'unit': 'Q577', 'amount': '+5.52'}[22].
  • (15225) 1985 RJ4's orbital period is recorded as {'unit': 'Q573', 'amount': '+2020.38084250305'}[23].
  • (15225) 1985 RJ4's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+33.52379'}[24].
  • (15225) 1985 RJ4's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+33.24714982165077'}[25].
  • (15225) 1985 RJ4's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+3.1250416'}[26].
  • (15225) 1985 RJ4's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+3.127686459676489'}[27].

Body

Designation and Status

(15225) 1985 RJ4's instance of is recorded as asteroid[4].

Why It Matters

(15225) 1985 RJ4 ranks in the top 2% of asteroid entities by monthly Wikipedia readership (1 views/month).[2] (15225) 1985 RJ4 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[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] ↑ . wikidata.org.
  12. [14] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  13. [15] ↑ . 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] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] ↑ . Wikidata sitelinks. 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). (15225) 1985 RJ4. Retrieved May 3, 2026, from https://4ort.xyz/entity/15225-1985-rj4
MLA “(15225) 1985 RJ4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/15225-1985-rj4.
BibTeX @misc{4ortxyz_15225-1985-rj4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(15225) 1985 RJ4}}, year = {2026}, url = {https://4ort.xyz/entity/15225-1985-rj4}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (15225) 1985 RJ4 — https://4ort.xyz/entity/15225-1985-rj4 (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': '+5.52'}, {'unit': 'Q573', 'amount': '+2020.38084250305'}
    Argument of periapsis → {'unit': 'Q28390', 'amount': '+314.53323'}, {'unit': 'Q28390', 'amount': '+315.4522012471504'}
    Mean anomaly → {'unit': 'Q28390', 'amount': '+39.00140'}, {'unit': 'Q28390', 'amount': '+106.3459838032886'}
    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.