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(52303) 1991 RU9

minor planet
Place asteroid Q4543813
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(52303) 1991 RU9

Summary

(52303) 1991 RU9 is an asteroid[1].

Key Facts

  • (52303) 1991 RU9 is credited with the discovery of Henry E. Holt[2].
  • (52303) 1991 RU9's instance of is recorded as asteroid[3].
  • (52303) 1991 RU9's site of astronomical discovery is recorded as Palomar Observatory[4].
  • (52303) 1991 RU9 followed (52302) 1991 RL8[5].
  • (52303) 1991 RU9 was followed by (52304) 1991 RB10[6].
  • (52303) 1991 RU9's minor planet group is recorded as asteroid belt[7].
  • (52303) 1991 RU9's parent astronomical body is recorded as Sun[8].
  • (52303) 1991 RU9's provisional designation is recorded as 1991 RU9[9].
  • (52303) 1991 RU9's provisional designation is recorded as 1998 SQ130[10].
  • (52303) 1991 RU9's time of discovery or invention is recorded as September 10, 1991[11].
  • (52303) 1991 RU9's orbital eccentricity is recorded as {'amount': '+0.1668345226789316'}[12].
  • (52303) 1991 RU9's absolute magnitude is recorded as {'amount': '+15.23'}[13].
  • (52303) 1991 RU9's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+1.164343601770502'}[14].
  • (52303) 1991 RU9's orbital period is recorded as {'unit': 'Q573', 'amount': '+1264.184850023627'}[15].
  • (52303) 1991 RU9's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+280.4709707421001'}[16].
  • (52303) 1991 RU9's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.288098780892112'}[17].
  • (52303) 1991 RU9's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+2.669832648844493'}[18].
  • (52303) 1991 RU9's periapsis is recorded as {'unit': 'Q1811', 'amount': '+1.906364912939731'}[19].
  • (52303) 1991 RU9's argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '+65.04901908218154'}[20].
  • (52303) 1991 RU9's mean anomaly is recorded as {'unit': 'Q28390', 'amount': '+325.3923932131736'}[21].
  • (52303) 1991 RU9's epoch is recorded as November 21, 2025[22].
  • (52303) 1991 RU9's time of periapsis is recorded as {'unit': 'Q14267', 'amount': '+2461122.028922765'}[23].

Body

Designation and Status

(52303) 1991 RU9's instance of is recorded as asteroid[3].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [2] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). (52303) 1991 RU9. Retrieved May 3, 2026, from https://4ort.xyz/entity/52303-1991-ru9
MLA “(52303) 1991 RU9.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/52303-1991-ru9.
BibTeX @misc{4ortxyz_52303-1991-ru9_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(52303) 1991 RU9}}, year = {2026}, url = {https://4ort.xyz/entity/52303-1991-ru9}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (52303) 1991 RU9 — https://4ort.xyz/entity/52303-1991-ru9 (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. 26d ago · KaleemBot bot · 2026-05-19 view diff on Wikidata ↗
    Orbital eccentricity → {'amount': '+0.1668345226789316'}
    Follows → —
    Time of periapsis → {'unit': 'Q14267', 'amount': '+2461122.028922765'}
    Argument of periapsis → {'unit': 'Q28390', 'amount': '+65.04901908218154'}
    + 19 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ Added [[wikipedia:ur:(52303) 1991 آر یو 9]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.