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(20504) 1999 RH15

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(20504) 1999 RH15

Summary

(20504) 1999 RH15 is an asteroid[1]. (20504) 1999 RH15 is known by 3 alternative names across languages and contexts.[2]

Key Facts

  • (20504) 1999 RH15 is credited with the discovery of Lincoln Near-Earth Asteroid Research[3].
  • (20504) 1999 RH15's instance of is recorded as asteroid[4].
  • (20504) 1999 RH15's site of astronomical discovery is recorded as Experimental Test Site[5].
  • (20504) 1999 RH15's follows is recorded as 20503 Adamtazi[6].
  • (20504) 1999 RH15's followed by is recorded as (20505) 1999 RE16[7].
  • (20504) 1999 RH15's minor planet group is recorded as asteroid belt[8].
  • (20504) 1999 RH15's parent astronomical body is recorded as Sun[9].
  • (20504) 1999 RH15's provisional designation is recorded as 1955 YM[10].
  • (20504) 1999 RH15's provisional designation is recorded as 1998 KO50[11].
  • (20504) 1999 RH15's provisional designation is recorded as 1999 RH15[12].
  • (20504) 1999 RH15's time of discovery or invention is recorded as +1999-09-07T00:00:00Z[13].
  • (20504) 1999 RH15's JPL Small-Body Database SPK-ID is recorded as 20020504[14].
  • (20504) 1999 RH15's orbital eccentricity is recorded as {'amount': '+0.09'}[15].
  • (20504) 1999 RH15's orbital eccentricity is recorded as {'amount': '+0.0948070'}[16].
  • (20504) 1999 RH15's orbital eccentricity is recorded as {'amount': '+0.09555686735303186'}[17].
  • (20504) 1999 RH15's absolute magnitude is recorded as {'amount': '+13.7'}[18].
  • (20504) 1999 RH15's absolute magnitude is recorded as {'amount': '+13.79'}[19].
  • (20504) 1999 RH15's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+13.51411'}[20].
  • (20504) 1999 RH15's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+13.52367039136522'}[21].
  • (20504) 1999 RH15's orbital period is recorded as {'unit': 'Q577', 'amount': '+4.09'}[22].
  • (20504) 1999 RH15's orbital period is recorded as {'unit': 'Q573', 'amount': '+1492.804448189901'}[23].
  • (20504) 1999 RH15's rotation period is recorded as {'unit': 'Q25235', 'amount': '+2.25'}[24].
  • (20504) 1999 RH15's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+150.45214'}[25].
  • (20504) 1999 RH15's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+150.2962292675257'}[26].
  • (20504) 1999 RH15's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.5557111'}[27].

Body

Designation and Status

(20504) 1999 RH15's instance of is recorded as asteroid[4].

Why It Matters

(20504) 1999 RH15 is known by 3 alternative names across languages and contexts.[2]

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] ↑ . 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] ↑ . 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 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). (20504) 1999 RH15. Retrieved May 3, 2026, from https://4ort.xyz/entity/20504-1999-rh15
MLA “(20504) 1999 RH15.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/20504-1999-rh15.
BibTeX @misc{4ortxyz_20504-1999-rh15_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(20504) 1999 RH15}}, year = {2026}, url = {https://4ort.xyz/entity/20504-1999-rh15}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (20504) 1999 RH15 — https://4ort.xyz/entity/20504-1999-rh15 (retrieved 2026-05-03)

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