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(21158) 1993 RP18

minor planet
Place asteroid Q4542220
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(21158) 1993 RP18

Summary

(21158) 1993 RP18 is an asteroid[1]. (21158) 1993 RP18 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • (21158) 1993 RP18 is credited with the discovery of Henri Debehogne[3].
  • (21158) 1993 RP18 is credited with the discovery of Eric Walter Elst[4].
  • (21158) 1993 RP18's instance of is recorded as asteroid[5].
  • (21158) 1993 RP18's site of astronomical discovery is recorded as La Silla Observatory[6].
  • (21158) 1993 RP18 followed (21157) 1993 RC5[7].
  • (21158) 1993 RP18 was followed by (21159) 1993 ST5[8].
  • (21158) 1993 RP18's minor planet group is recorded as asteroid belt[9].
  • (21158) 1993 RP18's parent astronomical body is recorded as Sun[10].
  • (21158) 1993 RP18's provisional designation is recorded as 1993 RP18[11].
  • (21158) 1993 RP18's provisional designation is recorded as 1998 EN15[12].
  • (21158) 1993 RP18's provisional designation is recorded as 2000 WZ144[13].
  • (21158) 1993 RP18's time of discovery or invention is recorded as September 15, 1993[14].
  • (21158) 1993 RP18's orbital eccentricity is recorded as {'amount': '+0.03'}[15].
  • (21158) 1993 RP18's orbital eccentricity is recorded as {'amount': '+0.0349139'}[16].
  • (21158) 1993 RP18's orbital eccentricity is recorded as {'amount': '+0.03452222632003445'}[17].
  • (21158) 1993 RP18's absolute magnitude is recorded as {'amount': '+15.9'}[18].
  • (21158) 1993 RP18's absolute magnitude is recorded as {'amount': '+15.8'}[19].
  • (21158) 1993 RP18's absolute magnitude is recorded as {'amount': '+15.96'}[20].
  • (21158) 1993 RP18's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+2.27468'}[21].
  • (21158) 1993 RP18's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+2.276720520057569'}[22].
  • (21158) 1993 RP18's orbital period is recorded as {'unit': 'Q577', 'amount': '+3.17'}[23].
  • (21158) 1993 RP18's orbital period is recorded as {'unit': 'Q573', 'amount': '+1156.749719380902'}[24].
  • (21158) 1993 RP18's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+214.22921'}[25].
  • (21158) 1993 RP18's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+214.1331960760295'}[26].
  • (21158) 1993 RP18's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.1566578'}[27].

Body

Designation and Status

(21158) 1993 RP18's instance of is recorded as asteroid[5].

Why It Matters

(21158) 1993 RP18 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2] (21158) 1993 RP18 is known by 3 alternative names across languages and contexts.[28]

Related Entities

Eric Walter Elst

References

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

Direct Wikidata claims

  1. [5] ↑ . 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. [4] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . 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). (21158) 1993 RP18. Retrieved May 3, 2026, from https://4ort.xyz/entity/21158-1993-rp18
MLA “(21158) 1993 RP18.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/21158-1993-rp18.
BibTeX @misc{4ortxyz_21158-1993-rp18_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(21158) 1993 RP18}}, year = {2026}, url = {https://4ort.xyz/entity/21158-1993-rp18}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (21158) 1993 RP18 — https://4ort.xyz/entity/21158-1993-rp18 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/21158-1993-rp18 · 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. 4w ago · KaleemBot bot · 2026-05-14 view diff on Wikidata ↗
    Time of periapsis → {'unit': 'Q14267', 'amount': '+2461154.907193448'}
    Epoch → November 21, 2025
    Orbital inclination → {'unit': 'Q28390', 'amount': '+2.27468'}, {'unit': 'Q28390', 'amount': '+2.276720520057569'}
    Aliases → —
    + 20 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ Added [[wikipedia:ur:(21158) 1993 آر پی 18]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.